20,000 buses in winter "physical"

Xinbao Xun (reporter Yan Zheng) Yesterday, reporter learned from the Municipal Public Transport Group, 21000 Winter bus "health check" has been completed, the vehicle winter precaution, comprehensive preparations supplies ready. Bus "winter check" focused on vehicle electrical systems, ventilation system, heat sealing systems, braking systems, pipe ...20,000 buses in winter "physical"