“导线”用英语怎么说？

它正用它的长嘴撞击着铁丝导线, 他想.He is hitting the wire leader with his spear, he thought.在导线测量中, 下午对向观测垂直角应该是容易安排的.In a traverse, afternoon reciprocal angles should be easy to arrange.后者引起的误差取决于导线的距离和直径.This last error depends on the...