A.100mm B.200mm C.300mm
A.預(yù)絞式護線條、普通補修管補修 B.加長型補修管、預(yù)絞式接續(xù)條 C.接續(xù)管、預(yù)絞式接續(xù)條、接續(xù)管補強接續(xù)條
A.金屬單絲、預(yù)絞式補修條補修 B.預(yù)絞式護線條、普通補修管補修 C.加長型補修管、預(yù)絞式接續(xù)條