Brief chlorinated paraffins add colour principle, detail introduce chlorinated paraffins colour in excess of standard specific phenomena analyse add colour in no qualify standard cause and solve way.
概述了氯化石蜡生色的原理,详细介绍了氯化石蜡色泽超标的具体现象,分析了产生色泽不合格的原因及解决的方法。
He failed to reach the required standard , and did not qualify for the race.
他未能达到所要求的标准,因而不具备参赛资格。
City planners say that vegetables, for some reason, don't qualify for the standard, even though they are certainly alive, and certainly are planted.
城市规划部门说,因某种原因,蔬菜不符合这一标准,虽然蔬菜肯定是活的,肯定是植物。
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