... 气缸(或者液压缸)操纵的cylinder operated 链条操纵的chain operated 等径孔道full bore;full port ...
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... chain-operated hotel: 连锁经营宾馆 CH-OP Chain Operated: 链条操纵的 Specification for hand-operated chain blocks: 手动链轮滑车组规范 ...
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