正常使用中，非螺旋式表冠应将表冠按回原始位置，螺纹表冠应旋紧以防止水渗入。
In normal use, non spiral crown should push the crown back to the original position, the crown screw thread to prevent water infiltration.
如果你的接头要求比表1建议的值更大的力，检查接头，看密封表面是否有损伤、肮脏或磨损，或螺纹是否磨损或损伤。
If your connection requires more force than the values suggested in Table 1, inspect the connection for marred, dirty, or worn sealing surfaces or worn or damaged threads.
任何筒形丝锥的螺纹应该从表5中选择，且符合表5的要求。
The thread of any shell tapping shall be selected from and be in accordance with Table5.
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