... noise criterion allowance curve 释义：噪声容许标准(值)曲线,NCA曲线 water hammer noise 释义：水锤噪声 perceived noise level 释义：感觉噪声级 ...
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A water hammer arrester will absorb the shock and minimize the slam noise.
水锤消除器可以吸收水锤撞击和减少拍打的噪音。
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The low noise water hammer type hydraulic system pipeline cleaning device is applicable to the pipeline cleaning field of various hydraulic devices.
本实用新型适用于各种液压装置的管路清洗领域。
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