“lock approach channel”造句，怎麼用lock approach channel造句

Based on the discussion of the characteristics of mountainous rivers and the problems concerning ship lock arrangement, this paper proposes of ship lock approach channel arrangement type adapting to the characteristics of mountainous rivers.

A 2-d numerical model of wave motion in lock approach channel is described, which is soluted by using the method of resultants of 2-d numerical model of unsteady flow and 1-d numerical model.