杰森C型龙骨国要领代码宽度（mm）厚度（mm）翼（mm）长度（mm）DC60601.2273000/4000DC60600.6273000/4000DC50500.5193000/4000杰森通贯龙骨国要领代码宽度（mm）厚度（mm）翼（mm）长度（mm）DU38381.0123000/4000DU...
