Specification for accommodation ladders的意思|示意

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舷梯规范

Specification for accommodation ladders的网络常见释义

船用客梯规范 BS MA 89-1980 船用客梯规范 (Specification for accommodation ladders) BS MA 9-1970 柴油机废气管道和锅炉上升烟道用的法兰、螺栓和密封垫 (Flanges, bolting and gaskets for exhaust gas, pipin...