| 摘要 |
<p>A cladding is built up by staves forming the surface of the drum, and consisting of profiled, toothed, metal plastes with spacers of wood, plastic etc. between them. The plates and spacers slide on to a rail having a dovetail section, bolted to the structure of the drum, and are held together by tie rods. A relatively inexpensive method of assembling the clothing of the drum. The components can be easily exchanged when worm or broken.</p> |
