你没有第二次机会往制作第一印象。
这间公司的核心业务室从美国往德国进口为操作系统制作的特殊软件。
The company's core business was importing into Germany special software for operating systems (" utility software ") from the USA.
废碱液中富含硫化物会对废液的生物降解起抑制作用,故废液在排往污水处理之前常须进行预处理。
Sulfides usually will inhibit the waste water biodegradation and sometimes pretreatment is needed to get rid of it.
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