钻孔 zuānkǒng drill Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: borehole All meanings 3 zuānkǒng 3 drill 2borehole 1 1 sentence for 钻孔 (zuānkǒng — borehole) 我们需要测量这个钻孔的深度。 wǒmen xūyào cèliáng zhè gè zuānkǒng de shēndù. We need to measure the depth of this borehole. Source: Dong Chinese Dictionary