必需
- 与 必需 相关的网络例句 [注：此内容来源于网络，仅供参考]
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He would demonstrate to me what I had to do and I would learn by copying him.
他必需要示范我该怎样做，我就可以模仿学习。
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Motor should be anti-corrosion coated for special corrodent environment.
在含有化学气体之环境下使用时，必需选择特殊处理有防蚀漆之马达。
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Since parts are grouped into families,a flexible design for a work-holding devicecan be made for each family in such a manner that it can accommodate every member of that family,thus reducing the cose of fixturing by reducing the number of fixtures required.
因为部份被分类为家庭，对于一个把持工作的装置的有柔性的设计能以如此的一样子以致于被有益于每个家庭它能适应那一个家庭的每个成员，如此减少这从从容容宽敞藉由减少固定物的数字固定物必需。
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Reduction of counter weight will relax the bowing, but it may be necessary to implement the technique shown in prior example to return side.
减小配重会减少卷曲，但是前例中回程皮带的状况表明实行这种技术是必需的。
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When sending a express delivery, must keep the counterfoil.
公司发快递底联必需存档备查
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1 A countervailing duty shall remain in force only as long as and to the extent necessary to counteract subsidization which is causing injury.
21.1 反补贴税应仅在抵消造成损害的补贴所必需的时间和限度内实施。
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34The covering Letter of Credit must reach the Seller 15 days before ….
有关的信用证必需在……前15日到达卖方。
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Seminal plasma is a mixture of secretions from the testis, epididymis and several male accessory glands, including the prostate, seminal vesicles and Cowper's gland.
精液是睾丸、附睾、前列腺、精囊腺和尿道旁腺分泌液的混合物，含有一些精子运动所必需的蛋白质。
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Therefore, we must know the characteristics of Western culture and its effect on creativity.
因此我们必需知道西方文化的特点和在创造力上的影响。
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It's also a must for many creme de la creme careers.
它也是很多精英职业生涯中所必需的。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。