... self-releasing type 自行脱落型 self-releasing gripper 自动开闭式夹纱器 self-releasing slag 自动脱落焊渣 ...
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self-releasing type life-raft 自动放下式救生筏
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This paper introduces a kind of new type self-sealing packer, whose hydraulic self-sealing mechanism replaces setting and releasing mechanism.
本文介绍了一种新型自封式封隔器，该片隔器采用液压自封原理，取消了封隔器的坐、解封机构和相应的操作。
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