这个轴套 ( 轴颈轴承 、 止推轴承 ) 的径向 ( 轴向 ) 间隙是 多少 ?How many radial ( axial ) clearance are there in this bush ( journal bearing, thrust bearing )?验证结果说明简化公式可作为轴套薄壁设计的计算方法.The result shows the method of design for clamping sleeve is...
要自制肥皂, 你需要3样主要原料: 油 、 水和碱液.To make soap, you need 3 main things: oil, water and lye.一些人用钾碱液制皂.Some people make soap will potash with potash lye.不要吸入碱液,也不要让小孩靠近它.Do not breathe lye and do not let small children near it....