water-saving lock

lock with several connected basins to reduce water loss when operating the lock

en-GB/ˈwɔːtə - ˈseɪvɪŋ ˈlɒk/
en-US/ˈwɔtɚ - ˈseɪviŋ ˈlɑk/

หมวดหมู่:

lock