在校办工厂里由它制作锤头和夹具之类的产品.In the school shop it is used for projects like hammer heads and clamp parts.介绍了锤头和衬板化学成分的选择.Choice having introduced the hammerhead and cleading chemical composition.锤头设计独特, 可翻转使用.The hammer head de...
They paid him only £10 for it and it really rankled...他们仅为此付给他10英镑,这真让他感到愤怒。They paid him only £10 for it and it really rankled.他们仅为此付给他10英镑,这真让他感到愤怒。Britain's refusal to sell Portugal arms in 1937 still rankled wit...
Naphthoylimine Fluorescent Whitening Agent ( FWA ) can be made from tar - acenaphthene.以焦油苊为原料,研制萘酰亚胺型荧光 增白剂.The results show that ozonation improves the bioavailability of acenaphthene.臭氧氧化改善了苊的可生化性.The derivates of nap...