发动机的制造成本，像卖桃子苹果，绕大不饶小。造一个750毫升的，成本和150毫升的，差不太多。

来源: thore 于 2025-09-12 13:52:50 [旧帖] [给我悄悄话] 本文已被阅读：次

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