| 摘要 |
A combination machine for trenching, for forming the edge of a bed, and for laying and burying tubing, cable, piping, and the like. The machine includes steerable caster wheels mounted on the rear of the machine which, together with a single front wheel, allow for a tight turning radius when using the machine. The machine also includes a blade height adjustment which allows for the trenching or edging blade depth to be readily adjusted in a substantially infinite variation. An edging blade is provided which when used with the machine forms a groove at the bed's edge for the laying of irrigation lines, or lines for herbicide, pesticide, and/or fertilizer for use in connection with the bed.
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