| 摘要 |
<p>Lawn edging consists of a flexible plastic element whose cross section has the shape of an essentially rectangular U. Specif. the body of the U has such a width that a mowing machine can ride over the body in the lengthwise direction of the U. One leg of the U is shorter than the other, at least one of the legs may be corrugated. The element is pref. made of a polyester reinforced with fibres.</p> |
