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- Compared with the extrinsic gettering, intrinsic gettering could avoid mechanic scratch and introducing extra impurities, so it is more preferred. 相比于外吸杂，由于内吸杂避免了从背面引入损伤和杂质，内吸杂表现出更好的应用前景。
- It is also a printedboards of permanent protection layer to moisture, corrosion protection, antimould and mechanical scratches. 它也是印制板的永久性保护层，能起到防潮、防腐蚀、防霉和机械擦伤等作用。
- The hens were scratching in the barnyard. 那只母鸡正在仓附近到处扒寻。
- Scratching his head, Tom thought of a good idea. 汤姆搔搔头，想出一个好主意。
- How did you come by that scratch on your cheek? 你脸上的抓痕是怎么来的？
- I had to scratch my head to remember his name. 我只想苦苦地回忆他的名字。
- He was scratching his head over the question. 他对这一问题困惑不解。
- The dog is scratching at the door. 狗正在抓门。
- Scratching exacerbates a skin rash. 皮疹搔後会恶化。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- Scratching the rash will make it worse. 丘疹越挠越坏。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- There'll be the devil to pay if you scratch my car! 你要是划坏了我的汽车你就有麻烦了！
- Is her schoolwork up to scratch? 她的功课行吗?
- The move water have mechanical energy. 流动的水拥有机械能。
- How do you come by that scratch on your cheek? 你脸上的抓伤是怎么来的？
- It wasn't easy scratching out a living in those hard time. 在那段艰难的日子里，糊口是很不容易的。
- I think the dog wants in I can hear it scratching at the door. 我看那条狗想进来－－我听见它抓门的声音。
- Scratch my back and I'll scratch yours. [谚]你帮我，我帮你。
- Blinking is a mechanical action of the eyelids. 眨眼是眼睑的无意识动作。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
