What do rail anchors protect against?
A: Broken baseplates.
B: Joint wear.
C: welding accidents.
D: Creeping Rails.
A: Broken baseplates.
B: Joint wear.
C: welding accidents.
D: Creeping Rails.
举一反三
- Don’t let your rails creep over time. Rail anchors protect against the forces of train traffic and weather.What do rail anchors protect against? A: Broken baseplates . B: Joint wear. C: Welding accidents. D: Creeping rails.
- Rail anchors can protect the rails _____ over time.
- What is the main purpose of the report? A: to compare high-speed rail lines B: to propose building high-speed rails C: to explain the development of high-speed rail D: to discuss the design of high-speed rail
- ______is a device attached to a rail to prevent it from creeping in the direction of train travel. A: flat bottom rail B: ullhead rail C: ail ancho D: aseplate
- People want to wear what they feel most comfortable. （改为一般疑问句） A: Do people want to wear what they feel most comfortable? B: Does people want to wear what they feel most comfortable? C: Do people want to wear what they feel most comfortable.