快速加热表面淬火后工件的耐磨性比普通淬火的高。
正确
暂无解析
It____alsocreatemorefocusedteamsandlesswastedtime.
Mrs.Londonhas____thatsheisunabletogetajob.
-----Tinahadnothingforbreakfast,____________she?
-----_____________.Shehadsomebreadandmilk.
Eldercareprogram
We thank you for your letter of May 27 and the _____ illustrated catalogue.