Net weight is the measurement standard of gross for net.()
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Return sample, also known as equivalent sample, refers to the seller after receiving the sample from the buyer, make a copy and send it to the other party.()
A. 对
B. 错
水泵接合器应设在室外便于消防车使用的地点,且距室外消火栓或消防水池的距离
A. 不宜小于5m,并不宜大于40m
B. 不宜小于5m,并不宜大于50m
C. 不宜小于15m,并不宜大于40m
D. 不宜小于15m,并不宜大于50m
市政消火栓的保护半径不应超过( ),间距不应大于()。
A. 150m,120m
B. 120m,150m
C. 100m,60m
D. 60m,100m
以下不属于向消防车供水的设施是
A. 消防水鹤
B. 室外消火栓
C. 供消防车取水的消防水池
D. 水泵接合器