析水管堵塞时,应用压力为()MPa冲洗水冲洗。
参考答案:0.5~0.8
In relation to employment law, explain the grounds and circumstances under which a labour agreement may be terminated. (10 marks)
下列不属于含有B族维生素的辅酶的是()
A.磷酸吡哆醛
B.细胞色素C
C.辅酶A
D.四氢叶酸
E.焦磷酸硫胺素