表面层在与前部相邻接的区域具有孔(9)，在此种情况下香烟的前部的芯部不能透过空气。
The surface layer can have perforations (9) in its area adjacent to the front part in the case where the inner portion of the front part of the cigarette is not permeable to air.
表面层在与前部相邻接的区域具有孔(9)，在此种情况下香烟的前部的芯部不能透过空气。
The surface layer can have perforations (9) in its area adjacent to the front part in the case where the inner portion of the front part of the cigarette is not permeable to air.
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