为便于与滚针轴承的滚针和保持架组件或外圈组件结合，内圈在滚道两侧有引入槽。
To facilitate their combination with needle roller and cage assemblies or the outer ring assembly of needle roller bearings, they have a lead-in at each side of the raceway.
干燥塔、二吸塔串接共塔，且与一吸塔共用循环槽、循环泵，即干燥塔的下塔酸直接引入二吸塔。
The air drying and final absorption towers are installed in series as an integral and share a circulation acid tank and pump with intermediate absorption tower.
在槽型优选测试系统实验的基础上，我们引入了信号分析工具——功率谱分析，作为评估槽型优劣的一个标准。
Based on the groove testing system, we induced the spectral analysis which is the signal analysis tool into evaluating the grooves, and used it as an evaluating standard.
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