The actual valve closing phases have been calculated, analyzed and determined in accordance with the interference signals caused by valve seating impulse in the low pressure indicator diagram.
计算分析了进排气门实际关闭相位，并根据低压示功图中气门落座冲击引起的干扰信号间接确定发动机运转时的实际关闭相位。
In addition, the piezoelectric quartz sensor with automatic clipper adaptor is used to measure low pressure indicator diagram. It provides reliable basis to ascertain the pressure zero baseline.
此外，用具有自动转换开关的压电石英传感器测量了低压示功图，为确定压电示功图的压力零线提供了可靠的依据。
In addition, the piezoelectric quartz sensor with automatic clipper adaptor is used to measure low pressure indicator diagram. It provides reliable basis to ascertain the pressure zero baseline.
此外，用具有自动转换开关的压电石英传感器测量了低压示功图，为确定压电示功图的压力零线提供了可靠的依据。
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