Drill and ream for 3/8"S F .dowel是什么意思?

Drill and ream for 3/8S F .dowel是什么意思? Drill and Tap for 5/16-24 NC 求翻译 techniques and materials for teaching ,drill design,and music arranging 一个孔的地方标着 DRILL AND TAP FOR #6-32 UNC,13.5MM DEEP 谁知道是什么意思 图纸上标注drill & tap for 3/8-16 4 places. Φdrill and tap to 3/8 unf 就是这个了 practice and drill这句话是什么意思? 英语翻译Claim:What is claimed is:1.A locking device to screw and to unscrew elements having threaded couplings and belonging to a drill stem,said device being suitable for use in drill rigs comprising arotating head suitable to make said drill st 英语翻译I am looking for a 3 piece drill mount,open temples.我大概知道是在问某种眼镜,但具体意思看不懂,特别是drill mount 和temple.翻译需要,请各路英雄帮帮忙! ream papers A4 纸 英语翻译Using techniques first developed for the offshore oil and gas industry,the DSDP’s drill ship,the Glomar Challenger,was able to maintain a steady position on the ocean’s surface and drill in very deep waters,extracting samples of sedim 英语翻译Multiple-edged tools can also be used.Drilling uses a twin-edged fluted tool for holes with depths up to 5 to 10 times the drill diameter.Whether the drill tyrns or the workpiece rotates,relative motion between the cutting edge and the wo 请问 drill 3/4 thru,tap 1/2 bspp thru drill是什么意思? tap drill drill是什么意思 drill是什么意思 DRILL怎么样