【判断题】在凸轮机构中,凸轮为从动件件,通常作等速回转或移 动。 ()
【单选题】创业资源获取的途径主要有购买、联盟和()三种方式。
【判断题】在凸轮机构中,凸轮通常作为主动件,作等速转动或移动。()
【单选题】[6-26]Invessel construction,the garboard strake is ___. 船舶结构中,龙骨翼板列()
A.
Located next to and parallel to the keel 安放在龙骨旁边并与龙骨平行
B.
Located next to and parallel to the gunwale 安放在甲板边缘附近并与之平行
C.
Another term for the bilge keel 又叫舭龙骨
D.
Another term for the rub rail又叫扶手栏杆龙骨翼板:方龙骨两边的左、右各一列纵向外板。
【简答题】在凸轮机构中,凸轮为 件,通常作等速 或 。
【判断题】一级保养保养的项目和部位最多。一般由专业维修人员在操作人员的参与配合下定期进行
【简答题】在凸轮机构中,凸轮 为 件,通常作等速 或 。
【单选题】[6-3]Invessel construction,the garboard strake is ___.
A.
Located next to and parallel to the keel
B.
Located next to and parallel to the gunwale
C.
Another term for the bilge keel
D.
Another term for the rub rail