单词	唱聲
释义	唱聲 chàng shēng首先陈述意见。歌唱声。唱声
随便看	hydrogenation gases hydrogenation gasoline hydrogenation gass hydrogenation heat exchanger hydrogenation in liquid phase hydrogenation mechanism hydrogenation method hydrogenation of acetone hydrogenation of aromatics hydrogenation of benzene hydrogenation of benzene ring Hydrogenation of butanol hydrogenation of carbon dioxide hydrogenation of carbon monooide hydrogenation of carbon monoxide hydrogenation of coal hydrogenation of coal tar hydrogenation of cottonseed oil hydrogenation of dimethyl aminoureazinic acid Hydrogenation of dimethyl c acid hydrogenation of heavy oil hydrogenation of oils Hydrogenation of oligomerization of butene hydrogenation of plant hydrogenation of pressure