Reciprocating internal combustion engines - test code for the measurement of structure - borne noise emitted from high - speed and medium - speed reciprocating internal combustion engines measured at the engine feet 往复式内燃机.在发动机底座处测量由高速和中速往复式内燃机产生的结构噪声的试验规程
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Reciprocating internal combustion engines - test code for the measurement of structure - borne noise emitted from high - speed and medium - speed reciprocating internal combustion engines measured at the engine feet 往复式内燃机.在发动机底座处测量的由高速和中速往复式内燃机产生的结构噪声的试验规程