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jackhammer    音標拼音: [dʒ'ækh,æmɚ]
n. 手提鉆

手提鑽



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英文字典中文字典相關資料:
  • Water Spray Control of Hazardous Dust When Breaking Concrete with a . . .
    nozzle on the jackhammer Mounting the nozzle above the end of the jackhammer will prevent the nozzle from striking the pavement Water-supply lines: Connect the nozzle by flexible 16 pounds-per-square-inch (psi), 3 8-inch-diame-ter hydraulic line to a quarter-turn valve mounted near the operator’s hand position for turning the wa-
  • Water Spray Control of Hazardous Dust | NIOSH | CDC
    Construction workers are exposed to hazardous dust when using jackhammers to break concrete pavement NIOSH found that exposures could be reduced by using a water-spray attachment





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