光材料差4倍差得很多啊，有人说installed 差50%，你再多问几家看看？

来源: Timshel 于 2019-03-19 09:01:47 [旧帖] [给我悄悄话] 本文已被阅读：次

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光材料差4倍差得很多啊，有人说installed 差50%， 你再多问几家看看？