Rich Becker bunted a ball on the third-base side of the mound.
里奇.贝克尔把球打到了三垒旁的投球区土墩。
The fatigue life for hybrid rolling ball bearing is researched on the base of its breakdown mechanism and fatigue life of steel bearings. Its fatigue life formula is given.
根据混合轴承的破坏机理,在钢轴承使用寿命公式的基础上,对混合轴承的使用寿命进行探讨,推导出它的寿命公式。
In grinding blocks library, batch grinding block of ball mill was developed, on the base of which, batch grinding block of rod mill and autogenous mill can be set up continuously.
在磨矿模块库中,以球磨机为例开发了分批磨矿模块,以此为基础可以继续开发棒磨机以及自磨机的分批磨矿模块。
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