免费一级少妇高潮喷_97无码免费人妻高清_久久一本精品久久精品_未满十八免费网站禁止av

1. The box body is made of cooling, CNC cutting and bending. There are exhaust, smoke exhaust, air inlet, operation box, power distribution output box, base oil tank, etc;
2. The inner and outer surfaces are sprayed with plastic outside, which can be directly used outdoors
3. The inner side of the box is made of high performance sound-absorbing material to effectively reduce the noise of the unit.