紫光管参数规格型号BLB外型尺寸(mm)A(***大值)B(***大值)B(***大值)C(***大值)D(***大值)4W139.5143.0140.6150.1166W212.1219.2216.8226.3168W288.3295.4293.0302.51612W485.0492.9490.5500.01613W516.9524.0521.6531.11610W331.2338.4335.8345.51615W437.4444.5442.0451.62620W589.8596.9594.5604.02630W894.6901.7899.3908.82640W1199.41206.51204.11213.626)