链轨

Traditional form:

鏈軌

Pinyin (reading):

liànguǐ

Definitions:

• caterpillar track (propulsion system used on bulldozers etc)

Characters:

• 链 - chain, wire; chains, shackles
• 轨 - track, rut, path

Traditional characters:

• 鏈 - chain, wire; chains, shackles
• 軌 - track, rut, path