线槽,走线槽,配,电柜,控制柜排线槽,行线槽,方线槽,pvc,阻燃,3025
B-HCCX I-HCCX O B-HCCX I-HCCX I-HCCX O B-HCCX I-HCCX I-HCCX I-HCCX O B-HCCX I-HCCX I-HCCX B-HCCX I-HCCX I-HCCX O B-HCCX I-HCCX I-HCCX O B-HCCX I-HCCX I-HCCX O O O O O O O O B-XH I-XH I-XH I-XH