Active parts inside the valve blocked, check and eliminate it.

阀门内部运动零件有卡阻现象, 应检查消除之.

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Result: 4 compounds were isolated from active parts.

结果: 从活性部位中分离得到4个黄酮类化合物.

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Caused by any active parts inside the valve or defects as furs etc. alter the parts.

内部运动零件有碰伤或有毛刺等缺陷,应更换零件.

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