水封

水封buffer seal;water lute;water seal;waterlock详细»

水封hydroseal;liquid seal;water sealing详细»

水封water closing详细»

水封hydraulic packing;hydraulic seal;water bosh;water lute;water seal;waterseal详细»

水封hydraulic seal;water bosh;water closing;water lute;water seal详细»

水封〔名词〕water seal详细»

水封aquaseal;liquid seal;water seal;water sealing;water-tight seal详细»

水封hydraulic seal;water check;water seal详细»