工(Gong)业(Ye)厂(Chang)房(Fang)推(Tui)拉(La)门(Men)常(Chang)用(Yong)于(Yu)各(Ge)种(Zhong)车(Che)间(Jian)、(?)厂(Chang)房(Fang)、(?)仓(Cang)库(Ku)用(Yong)门(Men)；(?)在(Zai)建(Jian)筑(Zhu)物(Wu)门(Men)洞(Dong)左(Zuo)右(You)的(De)空(Kong)间(Jian)，(?)选(Xuan)择(Ze)双(Shuang)向(Xiang)或(Huo)单(Dan)向(Xiang)推(Tui)拉(La)的(De)开(Kai)启(Qi)形(Xing)式(Shi)；(?)在(Zai)建(Jian)筑(Zhu)物(Wu)门(Men)洞(Dong)尺(Chi)寸(Cun)大(Da)小(Xiao)，(?)选(Xuan)择(Ze)左(Zuo)右(You)或(Huo)上(Shang)下(Xia)重(Zhong)叠(Die)推(Tui)拉(La)的(De)开(Kai)启(Qi)形(Xing)式(Shi)；(?)一(Yi)般(Ban)为(Wei)上(Shang)承(Cheng)重(Zhong)悬(Xuan)挂(Gua)式(Shi)，(?)当(Dang)用(Yong)户(Hu)需(Xu)要(Yao)或(Huo)门(Men)洞(Dong)上(Shang)方(Fang)不(Bu)具(Ju)备(Bei)安(An)装(Zhuang)轨(Gui)道(Dao)的(De)条(Tiao)件(Jian)时(Shi)，(?)可(Ke)设(She)计(Ji)为(Wei)下(Xia)承(Cheng)重(Zhong)支(Zhi)撑(Cheng)式(Shi)；(?)为(Wei)方(Fang)便(Bian)人(Ren)员(Yuan)进(Jin)出(Chu)和(He)保(Bao)证(Zheng)采(Cai)光(Guang)，(?)可(Ke)开(Kai)设(She)小(Xiao)门(Men)或(Huo)采(Cai)光(Guang)窗(Chuang)。(?)