lock seam 咬口
lock seam sleeve 接缝套管
flat lock seam joint 平面锁缝接头
lock seam tube 卷边接缝管
lock seam test 咬合试验
double lock seam 锁式针迹双行缝边
lock seam opener 启齿机
double-lock seam 双咬口
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。
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。
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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