A .50m
B .60m
C .70m
D .80m
[单选题]氯气小量泄漏的隔离距离是()A .50mB .60mC .70mD .80m
[单选题]氯气小量泄漏的隔离距离是( )A.50mB.60mC.70mD.80m
[单选题]氯气小量泄漏的隔离距离是多少()。A .50mB .60mC .70mD .80m
[单选题]氯气大量泄漏的隔离距离是()。A .60mB .95mC .125mD .185m
[单选题]氯气大量泄漏的隔离距离是( )。A.60mB.95mC.125mD.185m
[单选题]氯气大量泄漏的隔离距离是多少()。A .60mB .95mC .125mD .185m
[单选题]夜间氨气小量泄漏下风向的防护距离是()。A .200mB .300mC .600mD .800m
[单选题]白天煤气小量泄漏下风向的防护距离是()。A .50mB .100mC .150mD .200m
[单选题]夜间氨气小量泄漏下风向的防护距离是( )。A.200mB.300mC.600mD.800m
[单选题]白天煤气小量泄漏下风向的防护距离是多少()。A .50mB .100mC .150mD .200m