| 摘要 |
<p>made of an elastic material. One base plate (10-1)is provided with an array of beads (4) in association with an odd-numbered combustion chamber bore (3), only one end segments of which are provided with stoppers (11), while the other base plate (10-2) is provided with an array of beads (4) in association with an even-numbered combustion chamber bore (3), only one end segments of which are provided with stoppers (11).The base plates (10-1)(10-2) are then antisymmetrically laminated together. <IMAGE></p> |
