mainliner

n.

主干线列车；

Mainliner, Mar. 1937
The medical mainliner.
DOUGLAS DC-6 MAINLINER
Mainliner orders rise but output falls
Mrs. Wheeler and Mainliner, Aug. 1937
A skeptic's guide to mainliner congeniality
The Mainliner's Survival Guide to the Post-Denominational World
COLLISION COURSE: THE TRAGIC END OF MAINLINER WILL ROGERS AND THE STAR OF SICILY /
Beyond the blue horizon : the story of United Air Lines from mail plane carrier to Mainliner jet, 1926-1959 /
Distribution Characteristics about Atmospheric Particulate and Content of Heavy Metal along Traffic Mainliner in Shanghai