图像热点
煤炭搬运的工作场所危害
Coal Handling Workplace Hazard
- 学科 健康与发展
- 更新 2026-02-02
课件说明
A worker handling coal without protective equipment, demonstrating common workplace safety hazards.
Coal Handling Workplace Hazard
A worker handling coal without protective equipment, demonstrating common workplace safety hazards.