可动焊接工作台 可动焊接工作台的英文 英语翻译 movable welding positioner 拓展翻译 空气膜工作台air film table可动的mobilemobile可动骨缝scolopsia可动接触movable contact可动控制movable control可动式磁盘磁头moving-head disk可动式的movable可动系统设备mobile systems equipment可动斜管微压计movable-inclined-tube micro-manometer可动性mobility可动叶片movable vane可动用日期available date可动粘膜movable type mucosa可动支架movable support可动支座movable support可动装载movable load可焊接的结构钢weldable structural steel静态工作quiescent operation静态工作点quiescent operation point局部工作区local work area