客货运输: movement of goods and passengersmovement of people and goodspassenger and freight transportationtransport of both travellers and goodstransportofbothtravellersandgoods
Safety rules for the construction and installation of lifts - existing lifts - part 80 : rules for the improvement of safety of existing passenger and goods passenger lifts 升降机建造和安装的安全规则.已有升降机.第80部分:已有客运和客货两用升降机的安全提高规则