自动扶梯和自动人行道的制造与安装安全规范的英文

• safety rules for the construction and installation of escalators and passenger conveyors

• 自动扶梯:    escalator
• 和:    mix; blend
• 自动:    voluntarily; of one's own ac ...
• 人行道:    footwalk; footway; side pave ...
• 的:    4次方是 The fourth power of 2 i ...

例句与用法

1. Safety rules for the construction and installation of escalators and passenger conveyors
   自动扶梯和自动人行道的制造与安装安全规范