在炼钢实践中,利用火花判断碳含量是一种很简便的方法,当碳含量为0.15%时火花一般是()。
A.分了岔
B.不分岔且火花呈尖
C.不分岔且火花呈圆型
参考答案:A
Explain the meaning and operation of the doctrine of precedent in relation to:
(a) the English legal system; (6 marks)
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