bell hole 中文意思是什麼
bell hole
解釋
焊接坑-
Bell hole welding
坑內焊接 -
In one minute the hole was covered. eee - eee went on working until the bell stopped ringing
洞很快就被補上了。 「噫噫」一直在干,直到鈴聲停止。 -
Bell - hole welder
坑內焊接工 -
The electrician chiseled a hole in the wall to fit a door bell
電工在墻上鑿了個孔,以便裝上門鈴。
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