螺纹车刀可用于加工工件的（）工序。
A.外圆
B.内孔
C.螺纹
D.切外沟槽
参考答案：C
连词成句。
1. many there how are in family your people (?)
2. who they are (?)
3. my is father he (.)
4. this my sister is (.)
5. seven my has family members (.)
下列哪项因素对ALP参考值范围影响最大（）
A.性别
B.年龄
C.职业
D.饮食
E.地域
