伞齿轮焊接闸阀 Z60Y-160,Z60Y-200,Z60Y-250,Z60Y-320,Z60Y-P54100V,Z60Y-P54140V,Z60Y-P54170V,

16.0


20.0


25.0


32.0


P54100V


P54140V


P54170V


P54170V




强度试验


24

01/22 07:54