ladder rail造句

The slender back legs are elliptical in shape with a series of ladder rails linking them together.
Use the flat pads attached to the bottom of the ladder rails when working on flat, hard surfaces.
To keep the ladder from tipping, remember to keep your hips between the ladder rails and avoid overreaching.
He proved, by fitting the two pieces together, that the attic board matched with the ladder rail used by the kidnapper, giving evidence that Hauptmann built the ladder.
It's difficult to find ladder rail in a sentence. 用ladder rail造句挺难的