求翻译：电缆竖井的上下两端口及进出电缆的孔洞应进行防火封堵。电缆竖井穿越楼层，应在每楼层处进行防火封堵。电缆竖井封堵采用有机防火堵料、无机防火堵料、EFW-A型耐火隔板等防火材料封堵。是什么意思？

Two-port cable shaft up and down the hole and out the cable block should be fire. Cable shaft through the floors, each floor should be in place for fire blocking. Cable shaft sealing organic fire blocking material, inorganic fire blocking material, EFW-A type fire resistant partitions and other seal

Cable shaft of the upper and lower two ports and cable access holes in fire stopper should be carried out. shaft cables across the floor, should be carried out in each floor fire stopper. Blocking cable shaft using organic stopper, inorganic stopper, EFW - A fireproofing materials such as blocking t

The electric cable shaft about two ports and the turnover electric cable holes should carry on the fire protection trap.The electric cable shaft traversing floor, should carry on the fire protection trap in each floor place.The electric cable shaft trap uses the organic fire protection to stop up th

Cable up and down at both ends of the shaft and in and out of the cable holes to conduct fire blocking. Cable shafts crossed the floor, should be fire-blocking on every floor. Cable shaft sealing adopts organic and inorganic fireproof blocking materials fireproof blocking materials, EFW-A fire retar

Cable up and down at both ends of the shaft and in and out of the cable holes to conduct fire blocking. Cable shafts crossed the floor, should be fire-blocking on every floor. Cable shaft sealing adopts organic inorganic fireproof blocking materials fireproof blocking materials, fireproofing materia