wet drilling

rock drilling; tapered bits for percussive wet drilling

凿岩。湿式凿岩用带内圆锥体的冲击钻头

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。

time effect of wet drilling pile is investigated through the static load experiment on pile no. 22 of guanhe bridge.

通过灌河大桥22号试桩的静载试验，研究了湿作业成孔钻孔灌注桩的时间效应。

construction of wet drilling under water grouted pile for peking university one-hundred-years memorial hall project

北大百周年纪念讲堂工程湿成孔水下灌注桩施工

Making use of the sprayer can realize wet type in humid hole drilling.

利用喷雾器实现湿式钻眼。