Outer skirt length 65cm, innerskirt length 75cm, there is elastic waist skirt, the outer skirt has a waist cloth with adjustable waist.
外裙长65 CM左右，里裙长75 CM左右里裙腰部有松紧的，外裙腰部有一根布带可以调节腰围的。
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Composite pistons of various types are widely used in internal combustion engines, such as steel crown and aluminium skirt type, inner and outer pistons type, and so on.