遗传性酶病
参考答案:
由于基因突变导致酶蛋白缺失或酶活性异常所引起的遗传性代谢紊乱,称为遗传性酶病,又称先天性代谢缺陷。
----When did ______ accident happen?
-----Let me see. It was on _____ very hot afternoon in August.
A.the; the
B.an;/
C.the; a
D.an; the
低压湿式罐存在的问题有哪些?