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.
在搬运过程中要轻拿轻放，以免碰坏气门嘴，产生漏气。
Be careful when portage, lest the damage of the valve cause air leakage.
通过模拟柴油机气阀机构的两种常见的主要故障：气阀漏气和气门间隙异常。
By simulating two kinds of main fault of a valve train, which are the gas leak and abnormal lash, the vibration signals of a cylinder head have been measured.
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