()isthemaincausetothedamageofenginepartsandexcesswearing。 A、overloadB、theoddsoftheloadC、thedefaultofenginepartsD、overloadandtheoddsoftheload
()isthemaincausetothedamageofenginepartsandexcesswearing。
A、overload
B、theoddsoftheload
C、thedefaultofengineparts
D、overloadandtheoddsoftheload