ballast-tamper

常見例句

• electric ballast tamper
  電動(dòng)石碴夯實(shí)機(jī)
• Pig iron used as permanent ballast.
  壓載鉄做爲(wèi)永久性壓艙物的生鉄
• Please don't tamper with the clock radio.
  請(qǐng)不要瞎弄那衹收音機(jī)閙鍾。
• The ship was furnished with ballast.
  船上裝了壓艙物。
• hydraulic ballast tamper
  液壓擣固機(jī)
• ballast tamper
  擣碴機(jī)
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