Acid - leaching reactor is the key instrument for preparing poly aluminium chloride ( PAC ) from kaoline.酸浸反应器是高岭土制备聚合 氯化铝 (PAC ) 的重要设备.The original burnt whiteness of Beihai kaoline is 76 % ~81 %, the whiteness subject ...
这家商店每星期五早晨盘点存货.The shop takes stock every week on Friday mornings.下星期我们暂停营业盘点存货.Next week we shall be closed for stock - taking.这家食品店每周盘点存货.The food store took stock every week....
即使在最好情况下，英国议会的程序也很费解。British Parliamentary procedure is perplexing at the best of times.在整个过程中哈里都一言不发，令人费解。Harry was curiously silent through all this.他的行为不同寻常，让人费解。His behaviour was extraordinary and inexplicable....
Ships with square sails sail fairly efficiently with the wind abaft.装着横帆的船只随风疾驰.Be careful the mule is a vicious beast, not safe abaft the beam.当心,骡子是一种险恶的畜牲, (站在)它后面不安全.The huge bull caught him abaft the wheel - house a...