heavy collar 中文意思是什麼
heavy collar
解釋
加重鉆鋌-
His heavy collar with the teeth marks of many a battle on it was awry.
他歷經多次格鬥，頸圈上留下了道道狗的牙印，現在項圈也變形了。 -
Promote skill, the white - collar works, income is considerable ; if be not the technology that wants strong traditional sense, the car embeds riveting electric welding best, developing heavy industry is a trend
推銷技巧，白領工作，收入可觀；假如非要強傳統意義的技術，車嵌鉚電焊最好，發展重工業是趨勢。 -
Rough and fine cutting, drilling and boring can be conducted for petroleum drill devices such as drill collar, integral heavy wall drill pipe, centralizer as well as other large - sized and super long axis parts with diameter less than 1600mm and length less than 18000mm
在此可以對鉆鋌、加重鉆桿、扶正器等石油鉆具和其他直徑小於1600毫米、長度小於18000毫米的大型、超長軸類零件進行粗、精車削和鉆、鏜加工。
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