1) two holes at the end of a machine saw
端头及双孔
2) double-headed perforator
双头冲孔机
1.
The double-headed perforator’s control system with PLC as the core was proposed.
介绍一种以PLC为核心的双头冲孔机控制系统。
3) head and shell openings
封头及壳体开孔
4) boring and facing unit, boring and facing head
镗孔车端面头
5) Double mechine tools
双端车孔机床
6) double core print
双端心型端承，双端砂心头，双端砂心端承
补充资料：动力头钻机施工边坡加固孔
动力头钻机施工边坡加固孔
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条