The particle radius unit, the micron, is especially common and useful.粒子半径的单位是微米, 微米这个单位尤其普通和有用.They all basically reach an ultimate vacuum pressure of. 1 micron.它们基本上能达到. 1微米的极限真空压强.At last future developments of micron...
The particle radius unit, the micron, is especially common and useful.粒子半径的单位是微米, 微米这个单位尤其普通和有用.Strip roughness must not exceed 40 microinch ( 1.0 micron ) order to achieve these minimum coat weights.板面粗糙度不能超过40微寸 ( 1.0微...