| 摘要 |
<p>The invention relates to a tube type pole. The tube type pole, according to an aspect of the present invention includes an inlet that supplies air to the inside of the tube type pole; an outlet that discharges air to the outside of the tube type pole; at least one intake passage that flows air inhaled via the inlet; at least one exhaust passage that flows air discharged via the outlet; an air intake opening that communicates with the intake passage, at least one air storage part that has an air exhaust opening communicating with the exhaust passage; and a valve that switches the air intake opening and the air exhaust opening.</p> |
