短语
渠道闸门
channel gate
渠首闸门
Gate head
支渠进水闸
head gate of lateral
船闸引渠
lock approach channel
涵洞式支渠进水闸
head gate of lateral culvert type
木箱式支渠进水闸
head gate of lateral wooden box
明渠式支渠进水闸
head gate of lateral open channel type
渠道闸门运行
Canal lock gate operation
波纹渠道闸门
corrugated canal gate