谢谢，看这样子我也会让孩子去修一些农机的工程数学课。那个比较实在也实惠。

来源: Pilsung 于 2023-10-16 20:25:55 [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.