道岔主线 main line of turnout

高速铁路车站道岔端部距桥台尾边缘的距离不宜小于（）m。

港口枢纽运输组织与铁路枢纽运输组织有何异同？

普通单开道岔导曲线前部应在（）处检查。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

Demand curve（or demand schedule） 需求曲线（或需求表）

道岔中心 center of turnout

道岔辙又号码N越大，则导曲线半径Ro（）、道岔全长Lo（）

单车道岔 simple turnout

铁路车站及枢纽的能力是铁路运输能力的主要组成部分。