11443| 6
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請(qǐng)教氬弧焊,,保護(hù)焊,,電焊成本計(jì)算和報(bào)價(jià),大家是怎么計(jì)算的呢,? |
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點(diǎn)評(píng)
做過結(jié)構(gòu)焊接中的氣體保護(hù)焊,,4.6元/M,,很早了09年
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