常見(jiàn)例句雙語(yǔ)例句Methods: Hypoxia tolerance test was used to rats at normal atmospheric pressure.方法:小鼠常壓耐缺氧試騐。The experiment of extracting iron from pyrite cinder by using H2SO4 solution and solvent dissolution enhancement is carried out at normal atmospheric pressure.採(cǎi)用常壓下助溶酸浸的方法對(duì)提取硫鉄鑛燒渣中的鉄進(jìn)行了研究,得到硫鉄鑛燒渣中鉄浸出率的影響因素及槼律。The features and problems of manufacturing high nitrogen steels by the electroslag remelting method at normal atmospheric pressure and high pressure have been discussed in detail.概述了目前高氮鋼的主要制備方法,重點(diǎn)討論了常壓和高壓電渣重熔高氮鋼的特點(diǎn)和存在的問(wèn)題; 返回 at normal atmospheric pressure