troughn.水槽;马槽;低谷;低潮
trough composting槽式堆肥
trough connection槽接头
trough's diametern.物理设备号;专用数据网络
trough earthquake海沟地震
trough-pipe type槽管式
trough in westlies西风槽
troughing conveyer槽式输送器
trough-like fold隔槽式褶皱
trough-like basin槽形盆地
troughton viscosity伸长粘度