()可以分为法定计量检定机构和一般法定计量检定机构两种。
参考答案:计量检定机构
—Jim, don't make noise in class.
—________. [ ]
A. It's right
B. I know that
C. Sorry, I won't do it again
哪一解剖结构将腮腺分为深叶和浅叶()
A.面神经
B.面后静脉
C.颈外动脉
D.面横动脉
E.腮腺导管