vibrat-

常见例句

• Mechanical propert ties.Longit tudinal and shear vibrat tion.
  参考名称: Met thods of test ting plast tics.
• Elect ric mo to rs are smaller and cleaner, and operate w ithless no ise and vibrat ion.
  电动机比较小,较干净,而且运转进声音和振动较小。
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