天平台应稳固 、 防振、相邻区域不应对其造成干扰.The bench should be stable, anti - vibration anti - disturb by near area.该产品可广泛用于油封 、 衬垫、橡胶轧辊、防振橡胶等领域.The compound is widely to manufacture oil seals, gasket , roller and vibration rubber product...
When someone has hayfever, the eyes and nose will stream and itch.花粉热临床表现为流泪、流涕，眼睛、鼻子发痒。Let us, however , examine one of the most common allergies ; hayfever.现在让我们来看看最常见的变态反应的一种--枯草热....
"Excuse me," she said to Jarvis, and left the room.“抱歉出去一下，”她对贾维斯说，然后离开了房间。Now if you'll excuse me, I've got work to do.对不起，这会儿我有工作要做。If you'll excuse me, ladies and gentlemen, we'd better leave it th...
Lack of money accounts for her discontinuing her studies.缺钱是她辍学的原因.He persuaded me out of the idea of discontinuing the experiment.他劝我放弃中断实验的想法.Physicians should evaluate each patient individually before discontinuing an...
Banks and thrifts make three types of loans: commercial industrial loans, consumer loans, and mortgage loans.银行和储蓄机构主要提供三种类型的贷款: 工商贷款, 消费贷款和按揭贷款.The agencies that insure deposits in banks and thrifts also have a role in ...
心皮是由大孢子叶两边愈合进化而来的.It has evolved by fusion of the two edges of the megasporophyll.孢子异型:指植物产生两种大小不同的孢子: 小孢子和大孢子.Heterospory The production of two different sizes of spore: microspores and megaspores.通常较大的大孢子含有更多的贮藏养料.The ...