pound per square inch

基本解释

To put that pressure in perspective, a 150 pound person exerts only about 3 pounds per square inch.
这是个什么概念呢？ 150磅的人给地面的压力仅为3磅每平方英尺。
At the I pound per square inch overpressure location some windows were broken, but no major damage was sustained.
在超压达每平方寸1磅处，有些窗户破碎了，但没有遭到严重的损害。
For a well established tree use 1/2 pound (1 cup) per inch of trunk diameter or 3 ounces of nitrogen per 100 square feet of area.
对于一株健康生长的树而言，树干的直径每英寸可以施肥半磅（一杯）或者每百平方英尺区域可以施以3盎司的氮肥。