伞齿轮低温闸阀 DZ40Y-16LCB，DZ40Y-16LC1，DZ40Y-16LC2，
2
DZ40Y-64LC3
DZ40Y-64LC4
DZ40Y-64P
DZ40Y-64R


25


210


135


100


78


58


22


4-23


360

01/26 11:10