Troughtonn.特劳顿
troughn.水槽;马槽;低谷;低潮
trough type solar energy receiver槽式太阳能
trough grinding-polishing machine槽式磨光机
troughed rubber belt shuttle conveyor槽形胶皮带穿梭式输送机
Trough organic substrate cultivation pattern槽式有机基质栽培方式