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双层齿轮、皇冠齿轮、伞齿轮、滚轮、斜齿、蜗杆、安全离合齿、小模数铜齿及舵机伺服器等。
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- 相关词组
- fifth wheeln.多余的事物或人;
- loose the purse string and render help解囊相助
- weep in a corner and bewail one's sad fate向隅而泣
- bring peace to the good people and get rid of the bullies安良除暴
- inventory profit and loss盘存损益
- at sixes and sevensadv.乱七八糟，不和;横七竖八;七横八竖;七张八嘴;
- Heilongjiang University of Science and Technology黑龙江科技大学
- intramolecular oxidation and reduction分子内部氧化还原作用
- invariance and convex loss不变性与凸损失
- Maternal and Child Health妇幼保健；妇幼卫生；儿童健康；孕产妇和儿童健康
- at home and abroad国内外;中外;
- terrain is favourable and people are friendly地利人和
- economical and convenient for use经济方便使用
- plan of formation and regeneration of woods造林和更新计划
- dead and gone已死去;
- tight line oil and gas gathering process密闭油气收集工艺
- as and when 到时候;可能时;
- and vice versa反之亦然;
- arts and craftsn.工艺;
- shed lustre on one's ancestry and bring benefit to one's posterity光前裕后
- 今日热词
- 热门搜索
- by the time 到…时候为止;等到;比及;
- aloe vera 真芦荟，羊角掌，真芦荟制品;芦荟汁(用于生产护肤霜等);
- neither nor 既不…也不…;均不;两者都不
- Mr. n.先生;
- Belgium n.比利时;
- hush puppies 暇步士
- ceremony n.典礼，仪式;礼节，客套;
- birdcage n.鸟笼;鸟笼状的东西;类似鸟笼的场所（如牢房等）;
- aws abbr.adjustable wire stripper 可调剥线钳;advanced warning system 高级警报系统;
- todesk todesk远程控制软件
- gale n.大风，暴风;（突发的）一阵;<诗>微风;[植]香杨梅;
- what's up 怎么了，发生什么啦？;近来如何？;
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