articulated joint
机 活节接头… Read the rest
机 活节接头… Read the rest
计 形式数学定义… Read the rest
*[‘sәuiŋ]
n. … Read the rest
计 FORTRAN机器… Read the rest
*[‘vju:pɒint]
n. … Read the rest
化 石棉胶板; … Read the rest
计 坐标系… Read the rest
医 腹股沟内侧凹… Read the rest