腕骨有哪几块?
参考答案:
由桡侧向尺侧,近侧列有手舟骨、月状骨、三角骨和豌豆骨(在三角骨的前方),远侧列有大多角骨、小多角骨、头状骨、钩骨。
X62W型铣床主轴变速操纵机构在拆卸时,为了避免以后装错,胶木转盘轴上的锥齿轮与变速孔盘轴上的锥齿轮的啮合位置应做好标记。( )
(b) Kaya had promised his wife, Maya, that he would buy her a diamond bracelet for her birthday, which was on 1 April 2010. However, Kaya did not keep his promise. When Maya reminded Kaya about his promise, he replied that he had changed his mind about buying her the bracelet.Maya is disappointed with Kaya and wishes to sue him for breach of contract.Required:Advise Maya on her chances of success. (5 marks)