diaphragm seal
短語(yǔ)詞組
- diaphragm -seal pipeline clamping 膜片密封管道夾持
- diaphragm m seal flowmeter 膜片式密封流量計(jì)
- diaphragm steam seal gland 隔板汽封
- reservoir diaphragm cover seal 水庫(kù)
- diaphragm labyrinth seal 隔板汽封
- Diaphragm -seal manometer 隔膜壓力表 返回 diaphragm seal