With my left hand I would hold the little chunk of steel firmly in pliers, and with my right I would lower the fierce drill press onto it, while a trickle of wet graphite played on the grim contact.
我左手握着钳子夹紧钢板,右手趁着石墨液滴滴入界面的当儿用锋利的钻头钻孔。
Wet-spraying and wet-drilling helped to reduce dust emissions, and workers also used solar energy to power electrical equipment.
在施工过程中,建设者们采用了湿喷混凝土技术和湿式钻眼技术来减少扬尘,工人们则使用太阳能为其电力设备供电。
on the downhole wet connection technic during the drill-pipe conveyed logging
钻杆传输测井施工中井下湿对接工艺探讨
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