因此，在调节管接螺母的紧固度时，阀座对球体的压力就一直存在着。
Thus, by adjusting the tightness of the union nut, the squeeze of the seats against the ball would be maintained.
通过类以紧固油底壳螺栓这样的日常工作，一个月多次应用合适的维修扳手您可以优化您的“校准肘”的精确度。
You can refine your "calibrated elbow" by using a properly maintained torque wrench a few times a month for common jobs like tightening that drain plug.
特有的高强度耐磨皮带，链接式结构无需加装皮带紧固器，可方便拆下调整其松紧度，最大限度地延长使用期限。
Unique high strength and endured abrade strap with link structure which not need add the tightened implement and can easy to remove to adjust the degree of tightness, prolong the using term farthest.
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