种类50mv规格TYPE总长L1大孔距L2宽W 高H大孔径M1 螺丝M重量g250A~300A117863518.5134430400A117864418.5134530500A117865518.5134640600A123905521134830 种类60mv规格TYPE总长L1大孔距L2宽W 高H大孔径M1 螺丝M重量g250A~300A126963518.5134430400A126964418.5134530500A126965518.5134650600A132985521134830种类75mv规格TYPE总长L1大孔距L2宽W 高H大孔径M1 螺丝M重量g250A~300A1381073518.5134430400A1381074418.5134530500A1381075518.5134650600A1441115521134840