rolling steel door

• 卷帘钢门

rolling steel door的用法和样例：

例句

1. In a minute Jimmy's drill got into the steel door.
   没过多大一会儿，基米就钻透了钢门。
2. With a rusty squeak, a pair of steel doors slid open.
   伴随这因生锈而发出的吱吱声，两扇钢门打开了。