... expansion coupling 膨胀联轴节 expansion cushion 膨胀垫 expansion cylinder 膨胀气缸 ...
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... Expansion curve 膨胀曲线 Expansion cushion 膨胀补偿器 Expansion cylinder 膨胀筒; 滚筒 ...
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expansion n cushion 膨胀垫
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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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