reverse-pressure perforating 负压射孔

reverse pressure port 反向压力孔口

reverse pressure switch 反向压力开关

initial reverse pressure difference 初始反向压差

reverse clutch pressure tap plug 换向离合器测压孔旋塞

reverse clutch pressure 换向离合器压力

reverse clutch pressure tap 换向离合器测压孔

ultra-low-pressure reverse osmosis 超低压反渗透

low pressure reverse osmosis membrane 低压反渗透膜