| 摘要 |
<p>The driving body (4) for a sub-calibre solid shot (1) is wholly shrouded by a driving mantle (3) of a thermoplastic material resistant to high temps., and reinforced with fibres. The mantle (3) also partially covers the rear end of the shot (1). The driving body (4) is a single- or multi-component hollow body with surface ridges (5), of a smaller dia. than the mantle (3).</p> |
