Check and compare information on vessel inspection form, vessel system history card, and valve repair with nameplate if vessel has been previously repaired.
检查并对照压力容器检查表上的内容，诸如容器系统，以往检查记录和阀门维修记录是否与名牌上标明的规格相符。
Prevention maintenance: a regular inspection, repair and replacement routine designed to reduce the risk of system failure.
预防式维修：一个定期检查，修理和例行更换的计划，以减少系统停顿的风险。
Carry out failure inspection, repair and test of brake system and relevant components.
制动系统及相关部件的检查、修和测试。
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