All sides of the working platform shall be installed with top guard-rails (900-1150mm height), intermediate guard-rails (450-600mm height), toe-boards (200mm height) and safe access and egress.

工作台的所有方向都应安装顶端护栏（900-1150毫米高），中间护栏（450-600毫米高），踢脚板（200毫米高）和安全进出口。

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All sides of the working platform shall be installed with top guard-rails (900-1150mm height), intermediate guard-rails (450-600mm height), toe-boards (200mm height) and safe access and egress.

工作台的所有方向都应安装顶端护栏（900-1150毫米高），中间护栏（450-600毫米高），踢脚板（200毫米高）和安全进出口。

youdao