| 摘要 |
<p>The cartridge has discontinuities (D), provided on the rear lips (25) and/or on the inner surface of cartridge body. The discontinuities form passage cooperating between the rear lips and the inner surface. The passage has a flow resistance, which is larger than the largeness of the openings (30). The piston (11) is adjustable in the cartridge body. The piston has a front piston shoulder (16) and a continuous side wall (17).</p> |
