短语词组短語pound per square inch gauge 表壓磅pound per square inch absolute 壓強每平方英寸磅PSI Pound per Square Inch 磅;每平方英寸磅;平方英寸pound per square inch gage 每平方吋擔保磅pound -force per square inch 磅力每平方英寸 返回 pound per square inch