词汇	piston sampler
释义	piston sampler 活塞取土器
随便看	artificial starfield calibrator artificial star-field calibrator artificial statement artificial static water supply artificial step-pool artificial stereoscopy artificial sterilization artificial stimulated geothermal plant artificial stimulation artificial stimulation of precipitation artificial stimulus artificial stocking artificial stock market artificial stocks marketing artificial stone artificial stone, ceramics, natural stone artificial stone coating artificial stone could be retreaded Artificial stone could be retreaded? artificial stone die artificial stone finish artificial stone from asbestos cement artificial stone from cement artificial stone insert artificial stone manufacture