In this paper, the current research situation is reviewed, and the forage value, salinity tolerance, drought resistance as well as wear tolerance are introduced.
的研究现状，介绍了其优良的饲用价值、抗盐性、抗旱性和耐磨损性等抗逆性特征。
Pump drive shaft and bushing wear, the tolerance clearance increases, will affect oil pump.
齿轮泵主动轴与衬套磨损后，其配合间隙增大，必将影响泵油量。
The influences to the surface shape accuracy caused by the mismachining tolerance, the wear and the fixed angle of the cup wheel are analyzed.
分析了加工残留误差，砂轮磨损以及砂轮倾角误差对面形精度的影响。
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