gas and sand anchor[油气] 气砂锚;气砂锚
gas-sand anchor气砂锚
gas well sand control气井防砂
gas relay sand含天然气砂层
gas-sand body气砂体
gas bearing sand含气砂岩层
gas bearing sand body气砂体
gas formation sand production气层出砂
gas-sand two-phase flow气砂两相流