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做這種東西大概要多少錢,? |
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點(diǎn)評(píng)
對(duì)于漁具來(lái)說(shuō)是沒(méi)有問(wèn)題的,,首先螺帽受力不大,,其次那個(gè)搖臂看其結(jié)構(gòu)可知,,強(qiáng)度上用鋁件(7075) 應(yīng)該是可以的
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