含有与氮原子相连的硝基的物质称为硝胺.Nitramines are substances which contain a nitro group bonded to nitrogen.较好的配方是那些高硝基增塑的硝化棉粘合剂配方.The preferred compositions are the highly nitroplasticized nitrocellulose binder compositions.当二硝基酚施于叶子时,...
But soon, you may think microwave ovens and treadmills too.但是不久的将来, 您可能还会想到微波炉或健身踏车什么的.The Gym has several treadmills an X - trainer machine, bicycles, weights and mats for floor work.体育馆里配备了:跑步机、教练机 、 自行车 、 哑铃和专为做地板运动准备...
Any of various small freshwater fishes of the family Cyprinidae, which also includes carps and minnows.鲤科小鱼或其它小的淡水或咸水鱼(尤其是鲱鱼);通常整条鱼烹饪.These carps are very big.这些鲤鱼很大.Carps live in fresh water.鲤鱼生活在淡水里.White - bellied , b...