有时候，这就造成了一种不正常的声音说，健康护理服务提供者都可以听到通过一个听诊器。
Sometimes this creates an abnormal sound that a health care provider may hear through a stethoscope.
设备方面的因素有：气球的气门漏气、血压计的通道阻塞、检查者手凉、听诊器凉或环境寒冷。
The equipment aspect factor includes: the balloon tyre valve leaks air, the sphygmomanometer channel blocks, the inspector hand cool, the stethoscope cool or the environment is cold.
设备方面的因素有：气球的气门漏气、血压计的通道阻塞、检查者手凉、听诊器凉或环境寒冷。
The equipment aspect factor includes: the balloon tyre valve leaks air, the sphygmomanometer channel blocks, the inspector hand cool, the stethoscope cool or the environment is cold.
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