... 窄拔梢：narrow taper 窄V带：narrow V-type belt 摘要，概要，节录，简短的：brief ...
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narrow v type belt 窄v带
narrow v type belt drive 窄v带传动
narrow v-type belt
窄v型带
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It's very important for some petroleum machinery(e. g. drilling rig and pumping unit) to carry on reliability analysis and design of the system of the narrow V type belt drive.
开展窄V带传动系统可靠性分析与设计对于提高钻机、抽油机等石油钻采机械的质量和效益具有重要意义。
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