What do you mean by "A" in the channel type?
The same waist height, according to its thickness is divided into a, B, B, C or a.
The same waist height, according to its thickness is divided into a, B, B, C or a.A thin waist is the most.The width of their legs is equal to the waist thickness difference, that is, the real leg (not including waist thickness) is the same length, and the average leg thickness is the same.
A thin waist is the most.The width of their legs is equal to the waist thickness difference, that is, the real leg (not including waist thickness) is the same length, and the average leg thickness is the same.
