A、the open valve
B、the stop valve
C、the steam valve
D、the close valve
更多“If the hatch cover does not move, （）should be checked.”相关的问题
A、rolling type hatch cover B、side-rolling hatch cover C、folding type hatch cover D、automatic hatch cover
A、A. rolling type hatch cover B、B. side-rolling hatch cover C、C. folding type hatch cover D、D. automatic hatch cover
A、A. rolling type hatch cover B、B. side-rolling hatch cover C、C. folding type hatch cover D、D. automatic hatch cover
A、To avoid shock, reduce the speed of moving hatch cover by inching control. B、To avoid shock, reduce the speed of moving hatch cover by control levers. C、To avoid shock, reduce the position of moving hatch cover by inching control. D、To avoid shock, reduce the course of moving hatch cover by control levers.
A、The work of opening and closing hatches is usually done by crew members. B、The work of opening and closing hatch covers is usually done by crew members. C、The work of opening hatch covers is usually done by crew members. D、The work of closing hatch covers is usually done by crew members.
A、A. hydraulic hatch cover B、B. hydraulic release unit C、C. hydraulic oil jack D、D. automatic hatch cover
A、After loading and discharging, hatch covers will be opened. B、After loading and discharging, hatch covers will be closed. C、Before loading and discharging, hatch covers will be opened. D、Before loading and discharging, hatch covers will be closed.
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