发现非洲猪瘟病时,应立即()。
A、屠宰
B、免疫接种
C、隔离治疗
D、上报疫情
参考答案:D
In relation to the concept of loan capital, under the provisions of Companies Ordinance, 1984, explain the meaning of:
(b) ‘redeemable capital’. (5 marks)
英制蜗杆的齿形角为( )。
A.29°
B.30°
C.14°30'