机电设备的完好标准有哪些?
参考答案:
(1)零部件齐全完整;(2)性能良好;(3)安全防护装置齐全可靠;(4)设备环境整洁干净;(5)记录齐全、技术资料完整准确。
______÷7=4…______,余数最大是______,当余数最大时,被除数是______.
You don’t have to know the name of the author to find a book. You______find the book by the title.
A.must
B.need
C.can
D.would