Reports have circulated within both the classic-car and hot-rod communities of priceless performance engines failing after only 300 miles since a rebuild.
关于改装后的老爷车和大马力汽车做拙劣的表演时，才开出300英里，引擎就熄火的报道屡见报端。
Nonetheless, this mechanical study provides potentially useful information regarding the performance of the various posterior rod-and-screw constructs.
尽管如此，本研究还是可以提供一些关于不同后路顶棒装置性能的有价值的信息。
The upgraded drum locking device has integral drum locking blocks and a float screw rod, with the antivibration performance improved and the thread clearance eliminated.
改进的穿孔机转鼓器结构，采用整体压鼓块和浮动丝杆，消除了螺纹间隙，提高了抗振性能。
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