钻孔泄水能起到一定的泄水降压作用，但易受堵塞影响，泄水能力有限。
To release water by boring can reduce the water pressure, but the water release ability is limited because of the boring blockage.
钻孔泄水能起到一定的泄水降压作用，但易受堵塞影响，泄水能力有限。
To release water by boring can reduce the water pressure, but the water release ability is limited because of the boring blockage.
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