The fault on the tool post may be due to the breakdown of machinery, electrical as well as control system.
当刀架出现故障时，可能是机械原因，也可能是电气、控制系统方面的原因。
"Machinery and parts", "benchwork technics" and "machine tool maintenance and breakdown elimination" are main curriculum for benchwork of machine repaires specialties in technical schools.
“机械与零件”、“钳工工艺”和“机床维护与故障排除”是技工学校机修钳工专业最主要的专业课程。
"Machinery and parts", "benchwork technics" and "machine tool maintenance and breakdown elimination" are main curriculum for benchwork of machine repaires specialties in technical schools.
“机械与零件”、“钳工工艺”和“机床维护与故障排除”是技工学校机修钳工专业最主要的专业课程。
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