Donaldson was a petty crook with a string of previous offences.唐纳森有一系列小的犯罪前科，但没犯过大事。Mr. Donaldson is tall, white - haired, and pleasant.董纳森先生身材高大, 白头发, 和颜悦色的.I don't think George would like any of this, Mr. Donaldso...
Fumigate wood packaging has been exported to countries around the world.熏蒸木包装已远销世界各国.They expect the antibiotic products to be exported to Southeast Asia and Africa...他们希望向东南亚和非洲出口抗生素产品。Provide customs applying service o...
铰孔是孔的精加工手法之一.Reaming is one of the finish machining methods of hole.铰孔或攻丝时,不要用力过猛, 以免折断铰刀或丝锥.Do not overexert when reaming holes or threading, lest breaking off the reamer or the tap.点位系统适用于钻孔 、 锪 孔、扩孔 、 铰孔 、 镗孔 、 攻丝等孔加工...