dyno

The new engine logged record numbers on the dyno before it ever ran.这款新引擎在上车运行之前，就已在测功机上创下了纪录数据。

Weeks on the dyno exposed a vibration that would have wrecked the crankshaft.在测功机上进行数周的测试暴露出了一个本会摧毁曲轴的振动问题。