巴格纳尔-贝瑟尔水口的英文

bagnall-bethel nozzle

bagnall-bethel patent nozzle

• 巴:    hope earnestly; wa ...
• 格:    check; squares for ...
• 纳:    receive; admit
• 尔:    you
• 贝:    cowry; cowrie; she ...
• 瑟:    se,a twenty-five-s ...
• 水口:    water gap