" Oh, if I only had a brass andiron - knob again!“ 哦, 我要是再能得到那只柴架上的铜把手就好了!There is a knob of butter on the table.桌子上有一小块黄油。A loose brass knob on the bedstead rattled.床架上一个松动的球形铜扣发出嘎啦声。Annulet knob, circle knob, there are...
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using st...
The accident location for the liberation of artesian District Binjiang Road overpass.事故发生地点为自流井区滨江路解放立交桥.Chemically, elements like ? artesian ( potassium ) and aluminum are added and taken away.化学方面, 像钾和铝这样的物质被加入到岩石中或从其中...
他得给你钱，还得供养你。He should pay and maintain you as well.他叔叔供养这个孩子.His uncle found the boy in food and clothing.他要供养五个孩子.He had to provide for five children....
在级联的情况下, 高能 电子可以引起簇射.In successive steps, a high - energy electron creates a shower.级联水力学的研究对离心级联分离同位素的效果以及级联的运行有着重要的影响.Centrifuge cascade hydraulics plays an important role in efficient isotope separation in gas centrif...