单词	pilot drill
释义	pilot drill 定心钻
随便看	piezoelectric vibration machine piezoelectric vibrator piezo-electric, vibrator piezoelectric vibrometer piezoelectric voltage piezoelectric voltage constant Piezoelectric voltage constant Piezoelectric wafer piezoelectric waveguide piezoelectric waveguides piezoelectric weft-detector system piezoelectromagneticity piezoelectromagnetic material piezoelectrometer piezo-electrometer piezoelectron piezoelectronic quartz piezoelectrotransducer piezoeleetric piezo-eleetrie actuators piezo element piezoeletrical vibrator piezoeletric ceramic piezoeletric ceramics piezoeletric effect