On August 23, the reporter learned from Chengdu Rail Transit Group that as the cutter head of the "Scramble" shield machine slowly rotated, the interval between Weijianian Station and Shuangshuinian Station of Chengdu Rail Transit Line 27 (hereinafter referred to as "Wei ~Double section") right line shield machine started smoothly, marking the official entry of the first phase of the 27th line into the shield construction stage.