floating-caisson gate 浮闸 ; 舷闸

sliding caisson gate 滑动坞门

swing caisson gate 旋转沉箱门

Floating caisson gate 浮沈箱门

Ship caisson gate 船式沈箱门

ship-shape caisson gate 浮坞门

sliding caisson gate west bank 滑动坞门

gate caisson 浮箱式坞门 ; 浮坞门 ; 沉箱式闸门

two-gate caisson [船] 人字式坞门