Cut openings in sheets for outlets, vent pipes, flues, etc. to the minimum size necessary.削减开口,为产品的店铺时, 排气管, 烟道等,以最小面积必要的.A plugs, socket - outlets, adaptors and connection units - Part 3: Specification for adaptors.A插头 ...
Grace Robertson started as a photographer with Picture Post in 1947.格雷斯·罗伯逊于1947年参加工作，做了《图片邮报》杂志的一名摄影师。Robertson is not far off her target.罗伯逊离她的目标不远了。Robertson was a doer, not a thinker.罗伯逊是位实干家，不是空想家。...
多年以来表演教学一直蒙着神秘的面纱。For years the teaching of acting has been shrouded in mystery.如果我不戴面纱就会有辱门楣。It would dishonour my family if I didn't wear the veil.一位戴面纱的女士朝我友好地微笑。A veiled woman gave me a kindly smile....
The physical and chemical property, applications and synthesis processes of mannitol were reviewed.介绍了甘露醇的性质和用途,几种制备甘露醇的原理、工艺条件及研究进展.Plus mannitol to reduce its accumulated in the tubular cells.加用甘露醇可减少其在肾小管中积聚.Other Ing...