The gasoline detection system consists of a capillary restriction.汽油检测系统由毛细管节流器组成.Imbibition is thus displacement due only to capillary forces.于是,吸吮是仅仅依靠毛细力的一种驱替.This consists of a capillary connected to a mercury reserv...
It is said that the magnetite was formed by a chemical process called thermal decomposition.据说这枚陨星是在热分解的化学过程中形成的。Iron ores of greatest economic interest contain magnetite and hematite.最具有经济价值的铁矿包括磁铁矿和赤铁矿.This is because ...