jEIcmCQL3o 发表于 1970-1-1 08:00:00

刚买的书到家了

气液平衡数据汇编
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reichina 发表于 1970-1-1 08:00:00

这书，老老了，有价值，祝贺
但是只是一部分吧

yyts 发表于 1970-1-1 08:00:00

1980年！37年前的书啊

sfy111 发表于 1970-1-1 08:00:00

这样的可以拍卖了{:1106_362:}{:1106_362:}{:1106_362:}
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