The three main expeditions were plowing through seas infested with U - boats.三个主要远征部队驶经充满潜艇的海岸.The war - chief could only give orders on military expeditions.酋帅仅仅在出征时才能发号施令.Some later expeditions fared better, though the...
The earth auger is the important pilling machine under construction.螺旋钻孔机是用于基建施工中一种重要的桩工机械.The present invention relates to an anti - pilling process for wool fibre product.一种羊毛纤维制品的 抗 起球工艺,属于纺织用纤维制品加工技术领域.They were pill...
Tryptanthrin is a kind of indole quinazoline alkaloid.色胺酮属吲哚喹唑啉类生物碱.Indole is extracted from methylnaphthalene oil through solvent extracting.用溶剂萃取法从甲基萘油中萃取吲哚.The content of gibberellin ( GA ) and indole - 3 - acetic aci...