Of working coldtrough: stainless steel coldtrough, the double-layer vacuum glass observation window.
工作冷槽：不锈钢冷槽，双层真空玻璃观察窗。
2
West wind trough provided power and cold - warm air for this strong precipitation, typhoon provided vapors.
西风槽为降强水提供动力及冷暖空气，台风为强降水提供水汽。
3
Through the analysis, it is shown that the Matsa s extratropical transition and the re-intensification are due to the intrusion of cold air from the upper-level trough into the typhoons circulation.