词汇	foot of hole
释义	foot of hole 钻孔底部
随便看	gravity voltmeter gravity wall gravity-wall type of lock gravity waste dam gravity water gravity water distribution system gravity water supply gravity water supply system gravitywatersystem gravity water system gravity water wheel gravity wave gravity-wave Gravity wave activities gravity wave breaking gravity wave communication gravity wave drag gravity wave gauge gravity wave manifold Gravity wave packet Gravity-wave packet gravity waves gravity wave shock gravity weighing filler gravity weight