| 摘要 |
PURPOSE: Line control equipment is provided to be light and easy-to-use. CONSTITUTION: Line control equipment(20) includes a positioning unit of one line, a positioning unit of the other line, and a positioning line of a center line. The positioning line of one line positions a line of one extension. The positioning line of the other line positions a line of the other extension. The positioning line of a center line positions a line of a center extension between the line of one extension and the line of the other extension. One side of a line which is combined with the positioning line of one line, the positioning line of the other line, and the positioning line of a center line forms a closed curve form. |
