相比之下,一只德国牧羊犬的咬合力为每平方英寸750磅。
In comparison, a German shepherd has a biting pressure of 750 pounds per square inch.
空气泵产生的压力达到每秒每平方英寸几十磅。
The force that the air pump puts out is dozens of pounds per square inch per second.
它仅有半英寸厚,重1.5磅(680克)。
应用推荐