chisel bit造句

例句与造句

1. Eliminating chisel bit
   淘汰一字形钎头
2. Now , we propose that chisel bit is renewed with more advantageous composite cutter bit gradually
   现在，我们建议用更具优势的复合片齿钎头逐步更新一字形钎头。
3. Because of the lower rock fragmentation efficiency and defective geometrical shape of chisel bit , sweden has replaced chisel bit with taper connecting cross chisel bit and button bit since the mid - seventies
   因一字形钎头破岩效率低和几何形状结构缺陷等问题，瑞典从70年代中期就用锥体连接的十字和球齿钎头取代了一字形钎头。
4. It's difficult to find chisel bit in a sentence. 用chisel bit造句挺难的