Spare parts are parts of machines which can be used as alternatives of the working parts when the working parts are not in service.
正确
举一反三
- Which materials can be used for its different parts?
- What of the following are indicated in assembly drawings？（ ） A: Surface roughnesses of parts B: Assembling relationships of parts C: Geometrical tolerances of parts D: Working principle of assembly
- Which of the following italicized parts is used as an object?_____ (2011)
- Life Studies altogether consists of_____. A: two parts B: three parts C: four parts D: five parts
- Standard parts can be measured（）
内容
- 0
There are _______ parts in Great Britain and ________ parts in Britain.
- 1
For those used to other parts of the Mid... is the absence of .
- 2
Which of the underlined parts functions as a subject?
- 3
Which of the italicized parts functions as an object?
- 4
Which of the following statements is correct ? (1) The strength of the parts indicates the ability of that to resist damage. (2) The stiffness of the parts indicates the ability of that to resist deformation. (3) The stability of the parts indicates the ability of that to maintain its original equilibrium form. (4) The higher the strength, stiffness and stability of the parts are, the better.