详细说明
高压炉管内螺纹SA-210C51＊5.7宝钢DG18361.1T高压炉管内螺纹SA-210C60＊6.5宝钢DG18364.3T高压炉管内螺纹SA-210C60.3＊7.5宝钢DG183610.2T高压炉管内螺纹SA-210C63.5＊6.6宝钢DG18360T 高压炉管内螺纹SA-210C63.5＊7.5宝钢DG18365.5T高压炉管内螺纹SA-210C66.7＊8宝钢DG18360T高压炉管内螺纹SA-210A144.5＊5.5宝钢DG18361.6T高压炉管内螺纹SA-210A150.8＊6.5宝钢DG18361.9T