9.3
管道钳工的参考书包括以下一些
管脚的参考书包括以下一些:
法兰尺寸150,300,600,900,1500(Pipe OD,ID,螺柱长,螺柱数,扳手尺寸等)
阀尺寸
管道时间表
1/2维度
测试压力等级
February 2, 2026
February 2, 2026
February 2, 2026
February 1, 2026
February 1, 2026
February 1, 2026
February 1, 2026
February 1, 2026
February 1, 2026
February 1, 2026
February 1, 2026
January 31, 2026