Piston-assembly friction measurement using IMEP (indicated mean effective pressure) method needs to exactly calculate the force of connecting rod and inertia force of the piston-assembly.是什么意思_Piston-assembly friction measurement using IMEP (indicated mean effective pressure) method needs to exactly calculate the force of connecting rod and inertia force of the piston-assembly.在線翻譯_英語_讀音_用法_例句