cotters
英
美
网络 贫农
化学
双语例句
- Stainless steel screw, hex bolt series: tighten screw, machine screw, nail screw, self-tapping screw, expansion bolts, carriage, lifting eyebolt, a tooth, flat mat, play split cotters cushion etc.

不锈钢螺丝系列:内六角螺栓,紧钉螺钉,机螺钉,自攻钉,马车螺丝,膨胀螺丝,吊环螺丝,牙条,开口销,平垫,弹垫等。
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柯林斯词典词频分级词汇
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