We had better buy a fire resistance rolling shutter door.
我们最好买个防火卷帘门。
Crystal shutter door also has a waterproof, windproof effect.
水晶卷帘门同时还具有防水、防风的效果。
A single "door" shutter wouldn't be able to open and close this fast.
单一的“门窗”是无法再这样的高速下完成开启——闭合这一整套动作的。
A single "door" shutter wouldn't be able to open and close this fast.
单一的“门窗”是无法再这样的高速下完成开启——闭合这一整套动作的。
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