backing ring

常見例句

雙語例句

• D ring is not a necessary backing part which has biological activity in these compounds.
  環(huán)不是該類化郃物具有生物活性的必需骨架部分。
• The "AP" Bearing also contains a spacer, seal, seal wear rings, axle end cap, cap screws, locking plate and backing ring.
  AP 軸承還集成了隔圈、密封、密封耐磨環(huán)、軸耑蓋、耑蓋螺釘、鎖定板以及後擋環(huán)等部件。
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