| 摘要 |
<p>The block (11), designed especially for filtering out particles in i.c. engine exhaust gases, is made with one or more irregularities in the form of projections and/or recesses (30a, 30b) on its outer surface (16), which is connected to a support. The irregularities extend axially along the whole length of the block, and can form part of the block's inlet and outlet channels' (14a, 14b) outside walls.</p> |
