螺纹面 [
luó wén miàn]
flank of thread
flat of thread
- 机供水1/2寸螺纹介面位置»过水缸的后部。
Assemble the connecting nipple (1/2’’) on the water entrance. - 機供水1/2寸螺紋介面位置»過水缸的後部。
Connect the water supply hose to the water entrance. - 将止回阀臂滑到柱头螺栓上,并使止回阀螺纹面朝下(图1)。
Slide the Check Arm over the stud with the check threads facing down ward (figure 1).