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1 ?咬口 ... 厚度达1mm, 标准宽度为137mm, 在要求范围内可以达140mm/ 咬口/Lock seam 外圆管,可按要求在内部咬口 /Outside tube, inside on request. ...
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The structure and work theory of a new type of hydraulic lock of the thinnest coal seam shearer is described in this paper. 介绍了一种新研制的极薄煤层采煤机液压锁的结构特点及工作原理，并对其进行了性能实验。 - 2
Triple stitching on front, end lock stitch on armhole must be place on the hidden part of the sleeve seam, as noted it is place on front. 三针在前面，衣袖的收针必须在隐藏在袖口缝中，请注意它的位置在前面。 - 3
For example: bar copper, Auto leather covered piece, covered yarn, snap lock, seam cleat, air curtain shell, refrigerator shell. 铜条汽车蒙皮工件包 线按扣骨鸡胸扣骨（Seam Cleat） 风帘外壳 冰箱外壳。
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