In this paper, the authors introduce the kinds and characteristics of roof bolt diamond bits, and using and choosing methods. They put forwardpoints for attention of using roof bolt diamond bits.
本文介绍了金刚石锚杆钻头的类型、特点及选择方法，并给出了使用金刚石锚杆钻头的注意事项。
2
Junior forward Sam McCracken added 14 points for the home team.
前锋小萨姆·麦克拉肯为主队添了14分。
《柯林斯英汉双解大词典》
3
Encourage differing points of view to be put forward and discussed.