单选题:常用于制造机床床身的铸铁是( )。 题目分类:机电工程管理与实务 题目类型:单选题 查看权限:VIP 题目内容: 常用于制造机床床身的铸铁是( )。 A.白口铸铁 B.麻口铸铁 C.灰口铸铁 D.可锻铸铁 参考答案: 答案解析:
压力取源部件与温度取源部件在同一管段上时,应安装在温度取源部件的( )。 压力取源部件与温度取源部件在同一管段上时,应安装在温度取源部件的( )。A.上游侧 B.下游侧 C.相邻位置 D.0.5m以内 分类:机电工程管理与实务 题型:单选题 查看答案
When one is having a cold, he often has some symptoms EXCEP When one is having a cold, he often has some symptoms EXCEPT__________.A.coughi 分类:机电工程管理与实务 题型:单选题 查看答案
The best way to keep yourself from getting colds is _______ The best way to keep yourself from getting colds is __________.A.to keep yourse 分类:机电工程管理与实务 题型:单选题 查看答案
Paragraph 6 __________ Paragraph 6 __________A.Keprike's research tool B.Dangers of Habitual shortages 分类:机电工程管理与实务 题型:单选题 查看答案
The passive style of father can help you become the boss. The passive style of father can help you become the boss.A.Right B.Wrong C.Not m 分类:机电工程管理与实务 题型:单选题 查看答案