The smallest diameter of the stem refers to the diameter of the contact portion of the stem packing. The minimum stem diameter refers to the diameter of the stem slot of the valve stem
This is machining knowledge, you do sales research, this is not easy, huh, huh
This is machining knowledge, you do sales research, this is not easy, huh, huh
This is machining knowledge, you do sales research, this is not easy, huh, huh