用railroad tie造句子，“railroad tie”造句

Its function is fixes the rail on the railroad tie, maintains the gauge and the impediment rail is opposite in the railroad tie vertically and horizontally to the migration.

They searched the area for something larger and came upon a railroad tie.

Some of the farmers had quit farming and were cutting railroad ties so they could feed their families.

handsome East Indian evergreen tree often planted as an ornamental for its fragrant white flowers that yield a perfume; source of very heavy hardwood used for railroad ties.