| 摘要 |
An applicator for a liquid grout sealer including an elongated tubular body defining a sealer reservoir, a sealer valve at an end of the tubular body including a spring normally biasing the sealer valve into a closed position and pressure activated by axial pressure on the tubular body into an open position against the bias of the spring, and an applicator wheel carried by the sealer valve for receiving sealer from the reservoir through the sealer valve in the open position and for distributing sealer.
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