| 摘要 |
Soil injector for use with a sprinkler or sprayer, consisting of a tubular body, to one end of which the delivery tube of the sprinkler can be connected and at the other end of which is formed a tapered plug, in which there are a longitudinal bore communicating with the interior of the tubular body and outlet bores starting from the longitudinal bore and opening out on the outer surface of the tapered plug.
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