检查压力表读数。
总之，根据两杆枪压力表读数的情况，可以判断出管束是否泄漏和堵塞。
In short, according to the two gun pressure gauge readings, you can determine whether the leakage and blockage of the tube.
如果量规（此处应该就是“压力表”）读数过高，将制动螺钉顺螺线方向放松； 如果量规读数过低，则向相反方向调整制动螺钉。
Loosen the clamp screw(s) and move slightly toward the helix if gage is reading high. and away if reading low.
如果量规（此处应该就是“压力表”）读数过高，将制动螺钉顺螺线方向放松； 如果量规读数过低，则向相反方向调整制动螺钉。
Loosen the clamp screw(s) and move slightly toward the helix if gage is reading high. and away if reading low.
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