型号可挠金属套管型号可挠金属套管规格L1mmL2mmL3mmLmmΦDmmΦdmmΦSmm管螺纹″BG-12LZLALN12#121516.528.524.012.020.9G1/2BG-1515#121516.528.524.015.020.9G1/2BG-1717#121821.433.428.314.520.9G1/2BG-2424#122023.435.435.519.726.4G3/4BG-3030#162225.441.441.625.933.2G1BG-3838#162528.944.950.534.441.9G11/4BG-5050#182528.966.962.540.147.8G11/2BG-6363#183539.057.076.651.559.6G2BG-7676#183539.057.090.466.575.1G21/2BG-8383#203539.059.095.679.087.7G3BG-101101#224044.566.5116.689.0113.0G4)