portablesn.便携式电脑portableadj.轻便的；手提式的；[计]可移植的n.便携的东西portable raiway[经] 轻便铁道portable loader轻便装载机,移动式装载机portable switch轻便转撤器portable tripod轻便三脚架portable tester便携式测试仪portable pixmap流放式点位图图像格式portable sander便携式砂光机portable system可移植系统portable edition袖珍版portable graymap可移植灰度图

1. Press-in style means the fan situated in front of the bag-house,which works at positive pressure.
   压入是式风机位于除尘器之前，除尘器为正压工作。