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　　大da型xing型xing材cai一yi般ban是shi選xuan用yong扁bian鋼gang和he角jiao鋼gang等deng材cai料liao完wan成cheng加jia工gong製zhi作zuo的de，在zai對dui鋼gang材cai進jin行xing加jia工gong期qi間jian可ke以yi通tong過guo熱re軋zha和he鍛duan製zhi等deng工gong藝yi方fang法fa來lai完wan成cheng
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，這zhe些xie不bu同tong類lei型xing的de材cai料liao都dou可ke以yi用yong於yu建jian築zhu行xing業ye中zhong使shi用yong

，在zai建jian築zhu行xing業ye中zhong這zhe些xie材cai料liao都dou可ke以yi發fa揮hui很hen大da的de作zuo用yong。

　　tongguowuxidadeshijijinshucailiaoyouxiangongsiyishangjieshaokeyilejiedao
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　　人ren們men平ping時shi在zai使shi用yong型xing材cai時shi
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，如ru果guo在zai安an裝zhuang使shi用yong材cai料liao期qi間jian有you其qi它ta要yao求qiu，還hai可ke以yi對dui材cai料liao進jin行xing加jia工gong定ding製zhi，讓rang材cai料liao符fu合he行xing業ye的de實shi際ji應ying用yong標biao準zhun。

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