化学物皮肤吸收需通过的屏障?
参考答案:
表皮角质层;连接角质层;基膜。
—I will go to Qingdao for a visit with my family during the long holiday of May.
— .
A.So do I
B.So I do
C.So will I
D.So I will
小麦配方施肥技术。