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关注:1
2013-05-23 12:21
求翻译:solid spiral plungers which have an OD near the drift of the tubing in order to provide a seal,flexible brush plungers, and wobble washer plungers.是什么意思?![]() ![]() solid spiral plungers which have an OD near the drift of the tubing in order to provide a seal,flexible brush plungers, and wobble washer plungers.
问题补充: |
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