【单选题】Given the same water depth and line tension, the holding power of a 19 pound / foot wire rope mooring system in comparison to the holding power of a 90 pound / foot chain mooring system will be ______...
【判断题】数控车床的机床坐标系和工件坐标系零点相重合
【单选题】第一段和第二段为网络号,第三段和第四段为主机号的IP地址是( )。
【单选题】The BEST holding ground for conventional anchors is ______.