| 摘要 |
PURPOSE: A gate rim liner and a mixer lower side rim liner are provided to facilitate the replacement of a gate liner and a mixer liner in time for replacement, thereby preventing the leak of dust and AP3(a leakage determination pressure variation) at the periphery of a gate and on the bottom side of a mixer. CONSTITUTION: A gate rim liner(1) and a mixer lower side rim liner(2) are respectively attached to the rim of a gate(3) and the lower side of a mixer(8) in order to improve the quality of asphalt concrete and prevent damage of the asphalt pavement part.
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