The method is: Measure area size, fore-and-aft or lay off is transverse in the center of the ground line, repass does vertical line to be become namely in the center of this line.是什么意思_The method is: Measure area size, fore-and-aft or lay off is transverse in the center of the ground line, repass does vertical line to be become namely in the center of this line.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句