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.
鵞頸銷拆開，檢查，測量。 鵞頸銷承套中球軸承及格欄清潔，檢查，必要時脩理，換新，加牛油後裝妥。
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