注意：不要把沙浆倾倒入下水道以避免堵塞。
Note! Never pour the plaster down the drain as it may clog up the pipes.
她决定选择下一个出口，并且在避免堵塞的同时，买一杯咖啡。
She decides to take the next exit and get a cup of coffee while avoiding the jam.
为使超硬砂轮能发挥其优异的性能，应避免堵塞和重视修整。
In order to develop the superior performance of superhard wheels, people have to pre-vent the wheel from clogging and pay attention to dressing.
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