1.(运河,水渠的)闸门;总闸
1.the gate that controls the flow of water into the upstream end of a canal lock
1.He closed a head gate, so that the moat dried up, and she could walk through.
这样一来,壕中的水干了,姑娘就可以走到果园赴了。
2.Restrain heifer in head locking head gate and "tail jack"
将青年母牛用头锁、颈夹和“尾夹”保定