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drill and tap press: [1](25s):drill one hole, construction;[2](26s):drill two holes, construction;[3](23s):tap one hole, constructionSQ无损品质 | 301:21下载 收藏
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wood drill press: bore one hole, [1](22s):slow speed, construction;[2](16s):med speed, construction;[3](14s):fast speed, construction;[4](22s):fast speed, constructionSQ无损品质 | 201:23下载 收藏