A.10~25mm B.10~15mm C.15~25mm D.15~20mm
A.2mm B.1mm C.4mm D.3mm
A.堵縫、清縫、配制漿膏、灌縫、涂防腐油 B.清縫、配制漿膏、堵縫、灌縫、涂防腐油 C.清縫、堵縫、灌縫、配制漿膏、涂防腐油 D.清縫、堵縫、配制漿膏、灌縫、涂防腐油