For door Close operation, first ______ the spring catch and extend the roller tracks.
For door Close operation, first ______ the spring catch and extend the roller tracks.
发布时间：2025-10-08 05:25:40
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- 1.For door Close operation, first ______ the spring catch and extend the roller tracks.
- 2.The door is partially open for inflight operation and fully open for on-ground operation.
- 3.You must keep this door (close) ()at all times when the red light is on.
- 4.Last spring, I went to France. It was the first time that I ______(be) there.
- 5.Spring is ________ of the year. A.the first season B.first season C.a season D.beautiful season
- 6."catch on to"= "catch up with".()
- 7.roller rink
- 8.roller track
- 9.roller coaster
- 10.bogie roller
