ball bearing socket
常见例句
- Gooseneck to be dismantled, examined and measured. ball bearing and glands in the socket of gooseneck to be cleaned, examined, repaired or renewed if necessary, greaed and refitted.
鹅颈销拆开，检查，测量。 鹅颈销承套中球轴承及格栏清洁，检查，必要时修理，换新，加牛油后装妥。
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