The underseal is a kind of waterproof material to coat the bottom of the car.
底封是一种涂在汽车底部的防水材料。
But the bottom line is this: Michael contains some very impressive new material.
至少可以说：《迈克尔》包含一些令人印象深刻的新材料。
If a lot of it is heavy material, it may precipitate to the bottom.
如果有许多是沉重的材料，它可沉淀到水底。
The material through an opening at the bottom of the spiral groove directly fall.
物料经过螺旋槽体底部的一个开口直接落下。
The material through an opening at the bottom of the spiral groove directly fall.
物料直接通过螺旋输送机槽体端部的开口卸出。
The material through an opening at the bottom of the spiral groove directly fall.
物料直接通过螺旋输送机槽体端部的开口卸出。
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