8套是从美国的美国荷兰合资企业引进，3套从法国引进，1套从日本引进。

来源: XYZ94538 于 2021-01-16 07:46:49 [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.