给储能器胶囊充氮时,首先要注意()油压。
A.保持
B.升高
C.泄掉
参考答案:C
已知α是等腰直角三角形的一个锐角,则sinα的值为( )
In relation to the law of obligations:
(b) Explain the provisions of the Civil Code in respect of the late performance of civil obligations. (7 marks)