門式起重機、龍門吊
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雖(sui)然(ran)所(suo)說(shuo)的(de)起(qi)重(zhong)機(ji)在(zai)許(xu)多(duo)施(shi)工(gong)現(xian)場(chang)一(yi)定(ding)會(hui)有(you)一(yi)些(xie),但(dan)大(da)多(duo)數(shu)時(shi)候(hou),工(gong)程(cheng)對(dui)承(cheng)載(zai)力(li)的(de)要(yao)求(qiu)不(bu)是(shi)很(hen)大(da),因(yin)此(ci),要(yao)利(li)用(yong)大(da)的(de)吊(diao)裝(zhuang)機(ji)會(hui)浪(lang)費(fei)資(zi)源(yuan),如(ru)果(guo)能(neng)使(shi)用(yong)簡(jian)單(dan)的(de)起(qi)重(zhong)機(ji),是(shi)解(jie)決(jue)這(zhe)個(ge)問(wen)題(ti)的(de)好(hao)辦(ban)法(fa)。節(jie)約(yue)了(le)運(yun)輸(shu)成(cheng)本(ben),降(jiang)低(di)了(le)成(cheng)本(ben)。
大da型xing起qi重zhong機ji結jie構gou較jiao為wei複fu雜za,需xu要yao補bu充chong更geng多duo的de材cai料liao,因yin此ci,其qi成cheng本ben相xiang對dui較jiao高gao,簡jian單dan的de起qi重zhong機ji不bu存cun在zai完wan起qi重zhong機ji問wen題ti,其qi結jie構gou簡jian單dan,所suo需xu材cai料liao少shao,因yin此ci,價jia格ge相xiang對dui較jiao低di。
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