货舱口围板船上安装精度检查。

Inspecting fitting accuracy of hatch coaming on board.

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货舱口围板焊接后焊缝检查。

Inspecting welding seam of hatch coaming after welding.

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开启关闭货舱口的油缸，附轴承和轴系。

Hydraulic Cylinders for opening and closing of hopper, including bearings and shafts.

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全船6个货舱口均系木质舱盖板，面上以三层油布复盖。再以木楔压紧。

All 6 hatches of the vessel had been closed by wooden boards, covered with 3 layers of tar Pauline and held down by wooden wedges.

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货舱舱口盖焊缝和尺度检查。

Inspection welding seam and dimension of cargo hatch cover.

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所有液货舱舱口盖均已关闭？

Are all cargo and bunker tank LIDS closed?

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在货舱舱口，所有的板应根据规范要求打磨圆角。

At corners of cargo hatch opening, plating to be well rounded and ground according to Rules.

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当舱口盖被关闭时，产生的超声波信号的发射器被放置在货舱(空或装载货物)里发射超声波。

After the hatch covers are closed, a transmitter generating an ultrasonic signal is placed in the cargo hold (empty or loaded with cargo) emitting ultrasonic waves.

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货舱舱口盖密性试验(启闭试验、应急启闭试验)。

Tightness test (opening and closing test, emergency opening and closing test) for cargo hatch cover.

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货舱舱口盖密性试验(启闭试验、应急启闭试验)。

Tightness test (opening and closing test, emergency opening and closing test) for cargo hatch cover.

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