A. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
搜题
第1题
A. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第2题
A. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第3题
A. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第4题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第5题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第6题
A. ≥0.5%CH4;,≥0.5%CH4;,<0.5%CH4;
B. ≥1.5%CH4;,≥1.5%CH4;,<1.5%CH4;
C. ≥1.0%CH4;,≥1.0%CH4;,<1.0%CH4;
D. ≥1.5%CH4;,≥2.0%CH4;,<1.5%CH4;
第7题
A. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第8题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第9题
A. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥0.5%CH4,≥1.0%CH4,<0.5%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第10题
A. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥0.5%CH4,≥1.0%CH4,<0.5%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第11题
A. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥0.5%CH4,≥1.0%CH4,<0.5%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第12题
A. ≥2.0%CH4;,≥2.5%CH4;,<2.0%CH4;
B. ≥1.5%CH4;,≥1.5%CH4;,<1.5%CH4;
C. ≥1.0%CH4;,≥1.5%CH4;,<1.0%CH4;
D. ≥0.5%CH4;,≥0.5%CH4;,<0.5%CH4;
第13题
A. ≥2.0%CH4;,≥2.5%CH4;,<2.0%CH4;
B. ≥1.5%CH4;,≥1.5%CH4;,<1.5%CH4;
C. ≥1.0%CH4;,≥1.5%CH4;,<1.0%CH4;
D. ≥0.5%CH4;,≥0.5%CH4;,<0.5%CH4;
第14题
A. ≥2.0%CH4;,≥2.5%CH4;,<2.0%CH4;
B. ≥1.5%CH4;,≥1.5%CH4;,<1.5%CH4;
C. ≥1.0%CH4;,≥1.5%CH4;,<1.0%CH4;
D. ≥0.5%CH4;,≥0.5%CH4;,<0.5%CH4;
第15题
A. 报警值≥1.5%;断电值≥1.5%;复电值<1.0%
B. 报警值≥1.0%;断电值≥1.0%;复电值<1.0%
C. 报警值≥1.0%;断电值≥1.5%;复电值<1.0%
第16题
A. ≥1.0%CH4;,≥1.0%CH4;,<1.0%CH4;
B. ≥1.0%CH4;,≥1.5%CH4;,<1.0%CH4;
C. ≥1.0%CH4;,≥1.5%CH4;,<1.5%CH4;
D. ≥1.5%CH4;,≥2.0%CH4;,<1.5%CH4;
第17题
A. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
B. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
C. ≥1.0%CH4,≥1.5%CH4,<1.5%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第18题
A. ≥1.0%CH4;,≥1.0%CH4;,<1.0%CH4;
B. ≥1.0%CH4;,≥1.5%CH4;,<1.0%CH4;
C. ≥1.0%CH4;,≥1.5%CH4;,<1.5%CH4;
D. ≥1.5%CH4;,≥2.0%CH4;,<1.5%CH4;
第19题
A. ≥1.0%CH4;,≥1.0%CH4;,<1.0%CH4;
B. ≥1.0%CH4;,≥1.5%CH4;,<1.0%CH4;
C. ≥1.0%CH4;,≥1.5%CH4;,<1.5%CH4;
D. ≥1.5%CH4;,≥2.0%CH4;,<1.5%CH4;
第23题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第24题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第25题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第26题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第27题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第28题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第29题
A. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
B. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
C. ≥1.5%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第30题
A. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
B. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
C. ≥1.5%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第31题
A. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
B. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
C. ≥1.5%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第35题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第36题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第37题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第38题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
C. ≥1.5%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第39题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
C. ≥1.5%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第40题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
C. ≥1.5%CH4,≥1.5%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第44题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第45题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第46题
A. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
B. ≥0.5%CH4,≥0.5%CH4,<0.5%CH4
C. ≥1.0%CH4,≥1.0%CH4,<1.0%CH4
D. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
第50题
A. ≥1.0%CH4,≥1.5%CH4,<1.0%CH4
B. ≥1.5%CH4,≥1.5%CH4,<1.5%CH4
C. ≥2.5%CH4,≥2.5%CH4,<2.5%CH4
D. ≥2.5%CH4,≥2.5%CH4,<2.5%CH4
E. ≥1.5%CH4,≥2.0%CH4,<1.5%CH4
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