皮皮学，免费搜题
登录
搜题
【单选题】
在整个加工过程中，支撑爪与工件接触处应经常加（），以减小磨损。A.
机油
B.
润滑油
C.
乳化液
D.
煤油
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】When I was about 12 years old, I really wanted a new bike! I __36__ my parents my birthday wish, but I knew there was little hope because my family could __37__ have that money. On my birthday my pare...
【简答题】When I was about 12 years old, I really wanted a new bike! I __31__ my parents my birthday wish, but I knew there was little hope because my family could __32__ have that money. On my birthday my pare...
【单选题】I wish I _______ play tennis with my brother this afternoon, but I have to study for a test.
A.
can
B.
should
C.
could
D.
shall
相关题目：
参考解析：
知识点：
题目纠错 0
发布
