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1. All hatch cover hinge pins on the end hydraulic jacks to be taken off,checked and built up as required. Each has 4 hydraulic rams and each ram has one upper and one lower pin.
2. For the anti pitching arrangements and for longitudinal alignment of hatch covers, there are four sets of guide stoppers welded on hatch coaming face plates. These steel chocks have worn our due use.
请大侠帮忙翻译讲解,谢谢啊,尤其是带颜色的地方 |
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