智慧职教: Components must be replaced when ______.
举一反三
- 智慧职教: The original thickness of the carbon strips is ( ) and when the thickness reaches 3mm , the carbon strips must be replaced.
- There must be the five components of plots in a fiction.
- The components that an argumentative essay must contain include______ .
- 智慧职教: 门槛板在更换时可以采用搭接连接的是什么？What kind of overlap connection can be used when the threshold plate is replaced?
- 智慧职教: 正时皮带多少公里更换 How many kilometers is the timing belt replaced?