机床齿轮载荷不大,运动平稳,工作条件好,故对齿轮的耐磨性及冲击韧度要求不高,一般可选用()制造。
A.低碳钢
B.中碳钢
C.高碳钢
D.铸铁
参考答案:B
医嘱的内容不包括
A.饮食B.检查C.卧位D.术前准备E.陪护
Millie thinks more of others than ____, so we all like to make friends ____ her. [ ]
A. her; with
B. herself; with
C. hers; to
D. she; to