pneumatic type

基本解释

There are manual type, pneumatic type and hydraulic type WS spoolers for choice.
WS收线机分别有手动式、气动式、液压式的机型供用户选择。
Pneumatic type cover open and close is adopted. Two cylinders of large tension are allocated at the two sides of the extracting tank.
采用启动开关盖方式，在提取罐的两侧设置有两个大拉力的汽缸。
All the patients were treated with canalplasty, and 84 cases(84 ears) with mastoid process of pneumatic type were treated with tympanoplasty and canalplasty.
对84例（84耳）气化型乳突患者同时行耳道成形术和鼓室成形术。