roller drum gate

例句：

1. 1. The new roller door is much easierto open and close than the old one.
   新的滚筒门比旧的容易打开和关闭。
2. 2. The rolling door was designed toprovide easy access to the inside of thebuilding.
   滚筒门被设计为提供对建筑物内部轻松访问。
3. 3. The rolling door isa popular choice for businesses looking to improveefficiency and reduce noise.
   滚筒门是那些希望提高效率并减少噪音的企业的一个流行选择。