A、a safety line attached to a man working over the side
B、used to measure water depth
C、used to slow the headway of a barge
D、used to measure the overhead height of a bridge
更多“A “check” line is（）.”相关的问题
A、A.Ensure the bight is not fouled by taking up slack B、B.Pay out the line smartly and keep it free for running C、C.Secure the line by adding more turns D、D.Surge the line so it maintains a strain without parting
A、maintain a preset pressure on the line B、closely regulate the amount of flow C、relieve excessive pressure on the line D、allow flow in one direction only
A、A safety line attached to a man working over the side B、Used to measure water depth C、Used to slow the headway of a barge D、Used to measure the overhead height of a bridge
A、a safety line attached to a man working over the side B、used to measure water depth C、used to slow the headway of a barge D、used to measure the overhead height of a bridge
A、a safety line attached to a man working over the side B、used to measure water depth C、used to slow the headway of a barge D、used to measure the overhead height of a bridge
A、a safety line attached to a man working over the side B、used to measure water depth C、used to slow the headway of a barge D、used to measure the overhead height of a bridge
A、Serial0/1 is up, line protocol is down B、Serial0/1 is down, line protocol is down C、Serial0/1 is up, line protocol is up D、Serial0/1 is administratively down, line protocol is down
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