涡轮大厅。大厅中的噪音相当大，所有的工人进入大厅都穿戴特殊的保护性头盔或耳塞。
The turbine hall. It is rather noisy in the hall, all workers go in special protective headpieces or earplugs.
我也知道不会再有事，因为头盔更有保护性。
I also knew that nothing may happen to me as it was even more protective.
建筑工人戴的一种轻便的保护性(塑料或金属)头盔。
A lightweight protective helmet, usually of metal or reinforced plastic, worn by workers in industrial Settings.
建筑工人戴的一种轻便的保护性(塑料或金属)头盔。
A lightweight protective helmet, usually of metal or reinforced plastic, worn by workers in industrial Settings.
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