人(ren)防門(men),密閉門(men),人(ren)防封堵(du),戰時通風工(gong)程(cheng),人(ren)防工(gong)程(cheng)的維護保養。
生產加工
人防門,密閉門,人防封(feng)堵(du),戰時(shi)通(tong)風(feng)工(gong)程(cheng),人防工(gong)程(cheng)的維護保養。
生產加工
人(ren)(ren)防(fang)門,密閉門,人(ren)(ren)防(fang)封堵,戰(zhan)時通風工(gong)程,人(ren)(ren)防(fang)工(gong)程的維護保養。
生產加工
人(ren)防(fang)門,密閉(bi)門,人(ren)防(fang)封堵(du),戰時通(tong)風工程(cheng),人(ren)防(fang)工程(cheng)的維(wei)護保養。
生產加工
非開挖定(ding)向(xiang)穿越(yue)工程(cheng),頂管(guan)施工,拖管(guan)施工,泥水平衡盾(dun)構施工
其他
非開挖定向(xiang)穿越(yue)工(gong)程,頂管(guan)施工(gong),拖管(guan)施工(gong),泥水(shui)平衡盾構施工(gong)
其他
人防(fang)門,密(mi)閉門,人防(fang)封堵,戰時通風工程(cheng),人防(fang)工程(cheng)的維(wei)護保(bao)養。
生產加工
非開(kai)挖(wa)定向穿越(yue)工程,頂管(guan)(guan)施(shi)工,拖(tuo)管(guan)(guan)施(shi)工,泥水平衡盾構(gou)施(shi)工
其他
非開挖定向穿越工(gong)程,頂管(guan)(guan)施(shi)工(gong),拖管(guan)(guan)施(shi)工(gong),泥水(shui)平衡盾構施(shi)工(gong)
其他
非開挖定向穿越(yue)工程(cheng),頂管(guan)施工,拖管(guan)施工,泥水平(ping)衡(heng)盾(dun)構施工
其他
非開挖定向穿越工(gong)程,頂管(guan)施工(gong),拖管(guan)施工(gong),泥水(shui)平衡盾(dun)構施工(gong)
其他
非開挖定向穿越工(gong)(gong)(gong)程(cheng),頂(ding)管(guan)施工(gong)(gong)(gong),拖管(guan)施工(gong)(gong)(gong),泥水平衡盾構施工(gong)(gong)(gong)
其他
非開挖定向(xiang)穿越工(gong)(gong)程,頂管施(shi)(shi)工(gong)(gong),拖管施(shi)(shi)工(gong)(gong),泥(ni)水(shui)平(ping)衡(heng)盾構(gou)施(shi)(shi)工(gong)(gong)
其他
