shearsn.大剪刀；剪床shearn.修剪；剪下的东西；大剪刀v.剪掉；剪；剥夺shearing clutch超载安全离合器shearing attack裁剪攻击shearing impact剪切冲击shearing tester剪切试验机shearing length切断长度shearing method剪切法sheared diagram剪力图shearing section剪切截面,承剪断面shear resistance剪切阻力shear lag effeet剪力滞效应