spillway gate WESTBANK 溢洪闸

storm gate WESTBANK 防风暴门

sliding lock gate WESTBANK 滑动船闸门

storm tide gate WESTBANK 暴潮门

tail gate WESTBANK 尾门

drum gate WESTBANK 鼓形闸门

slide gate WESTBANK 滑动闸门

upper gate WESTBANK 上游船闸门

single gate WESTBANK 单门式

sludge gate WESTBANK 污泥闸