Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV.通风: 为了使气体聚集程度维持在阀极限值之下,应提供通畅的向下棋流排气通风设施.Water vapor from the evaporative recovery process may be recondense...
The two principal combustion products are water vapor and carbon dioxide.两种主要的燃烧产物是水蒸气和二氧化碳。The car windows were fogged with vapor.车窗上满是雾气。When nitric acid is poured on copper, a brown vapor gives off.将硝酸倒在铜上, 会散发出一种棕色的蒸...
该委员会充当这个会议的东道主.The conference was hosted by that committee.真正慷慨的东道主就是请我们赴宴的那个作东道的人.The true Amphitryon is the Amphitryon who asks us to dinner.我们的中国东道主们对他的每句话都奉若神明.His pronouncements were cited with awe by our Chinese ho...
A neutron is simply a neutral particle in the nucleus of an atom.中子就是原子核里不带电的粒子。Neutron is neutral and slightly heavier than the proton.中子是中性的,比质子略重.These are far outweighed by the benefits of the neutron activation meth...
It must nestle everywhere, settle everywhere, establish connexions everywhere.它必须到处落户,到处开发, 到处建立联系.Its snow - white houses nestle cosily in a sea of fresh green vegetation.雪白的房屋舒适地筑在一片翠绿的草木中.She tried to nestle deep away...