Monitor and ensure the uses of personal safety protection equipment and site safety protection devices.

监视和确保个人安全防护装备和现场安全防护设施的正确使用.

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W - beam guardrail as an important road - safety protection equipment has been widely used in highway around China.

波形梁护栏是我国高速公路上广泛使用的一种道路安全防护设施.

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