| 摘要 |
A particle shooting device comprises: a first tank which is formed in a cone or a polypyramid shape, forms a particle outlet with an opened one end, and provides a particle container for storing a particle inside the first tank; a second tank which is formed in a cylinder shape, and surrounds at least a part of an outer surface of the first tank; and a transfer tube for connecting the other end of the first tank and the second tank; and a first valve for opening or closing the transfer tube. |
