Arsenal will be missing a number of players while Manchester United were able to keep some venerable players in reserve during the 3-0 win over Tottenham on Monday.
2
分析了热剪刃的综合力学性能要求,并对表面堆焊高耐磨合金层的显微组织和性能进行了研究。
The comprehensive mechanical properties of the heat shears were analyzed and the microstructures and properties of the surfacing high wear resisting alloy layer were studied.
3
气门磨合到位不亮或太短暂,以致来不及向冷却系统进行正常的热转移,造成气门烧坏和输出动力降低。
The valves seat so briefly or poorly that normal heat transfer into the cooling system does not have time to take place, causing burned valves and low power.