spanner hole 中文意思是什麼
spanner hole
解釋
扳手孔-
Insert special bolt into the preset hole of c form parts, where the bolt will be fixed into the threaded hole of wedge, then screw the bolt on with a socket spanner until the first nut drops
將專用螺栓插入c形無件預留孔與楔塊的螺紋孔相連,用套筒扳手擰緊螺栓直到第一個螺帽自行斷落。
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