所述的换向器在无纬带绑扎层表面粘接有绝缘胶泥密封层，在换向片端部有一环状沟槽。
The insulating rubber sealing layer is stuck on the surface of the unidirectional weftless tape banding layer for the commutator. The ring groove is arranged at the end of the commutator plate.
深部纬向构造带与北东向构造呈反接复合关系。
The deep latitudinal structural belt shows the transposition relation to the NE trend structures.
南下冷空气在江南一带被来自低纬的西南暖湿气流和东南暖湿气流所切断，形成一高位涡冷空气中心。
The air was cut by the Southwest and Southeast warm moist air flow from low latitude in the vicinity of South of the Yangtze River, and formed a high PV center of cold air.
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