龙骨水车我只见过人力的没建过牛拉或者驴拉的，因为牛拉驴拉都需要齿轮转向，那时拿有这么先进的齿轮技术

来源: rmny 于 2026-02-02 07:06:39 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.