The early indications look encouraging.开初的迹象看起来令人鼓舞。The contra - indications listed for the pills meant that she could not take them.这种药丸所列的禁忌症表明,她不能服用.There are no indications that standard security arrangements were at...
However, The CTC as a byproduct in the production of chloromethane is about 3 ~5 %.然而在甲烷氯化物的生产过程中, 不可避免地要有3-5%左右的副产物四氯化碳生成.There's also dioxin, a byproduct of paper manufacture and waste incineration.还有二恶英, 纸生产和废物燃烧...