under-ream

英文 under-ream

中文擴鑽

出處礦冶工程名詞

相關詞匯

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▸ programmed patch board{=PPB}

▸ proportioning pump

▸ docking block

▸ sidelobe weighting

▸ Munsell color system

▸ coiling drum

▸ Centigrade temperature

▸ exhaust flame-damper

▸ multiple address traffic

▸ radio frequency interference{=RFI}

▸ electron lens

▸ androgyne，androgynus，androgyny

　