深究最后会发现是地方保护主义，为了保护当地的收割机企业而为。

来源: 80前于 2023-05-30 08:53:07 [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.