A .0.5m
B .0.8m
C .1.0m
D .1.5m
[单选题]塑料管道与燃气管(压力300kPa~800kPa)平行净距为()m?A .0.5mB .1mC .1.5mD .2m
[单选题]塑料管道与燃气管(压力小于300kPa)交越净距为()m?A .0.4mB .0.5mC .0.1mD .0.3m
[单选题]塑料管道与燃气管(压力300kPa~800kPa)交越净距为()m?A .0.4mB .0.5mC .0.1mD .0.3m
[单选题]塑料管道与地下高压石油、天然气管平行净距为()m?A .5mB .8mC .10mD .15m
[单选题]塑料管道与市外大树平行净距为()m?A .1mB .1.5mC .0.5mD .0.8m
[单选题]塑料管道与地下热力管平行净距为()m?A .1mB .1.5mC .2mD .2.5m
[单选题]塑料管道与房屋建筑红线(或基础)平行净距为()m?A .1mB .1.5mC .0.5mD .0.8m
[单选题]塑料管道与地下排水管平行净距为()m?A .1mB .1.5mC .2mD .2.5m
[单选题]塑料管道与排水沟平行净距为()米?A .1mB .1.5mC .0.5mD .0.8m
[单选题]塑料管道与地下给水管(管径300mm及以下)平行净距为()m?A .1mB .2mC .0.5mD .0.6m