fixed ball valve中文什么意思

例句与用法

1. Fixed ball valve
   固定式球阀
2. Note : this table establishment for the convention flange connection worm gear and worm drive fixed ball valve model , the major parts material and the suitable operating mode , other requests and its model please sees the ball valve model establishment method
   注：本表为常规法兰连接蜗轮蜗杆传动固定球阀的型号编制、主要零件材料及适用工况，其他要求及其型号编制见球阀型号编制方法。
3. Note : this table for the convention flange connection worm gear and worm drive metal hard seal fixed ball valve model establishment , the major parts material and the suitable operating mode , other requests and its model establishment sees the ball valve model establishment method
   注：本表为常规法兰连接蜗轮蜗杆传动金属硬密封固定球阀的型号编制、主要零件材料及适用工况，其他要求及其型号编制见球阀型号编制方法。