要小心谨慎，避免管道内密封剂。

Care should be taken to avoid getting jointing compound inside pipes.

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没有任何其他产品能够比美国红阀公司锚链管道阀门更有效地环绕密封缆索。

Nothing can seal better around a mooring line than a Red Valve Hawse pipe valve.

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当水位高于密封箱时，管道就把浆液排出。

This pipe removes the slurry, which is above the level into the seal box.

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适用于厨房、卫生间等下水管道的密封。

For sewer pipe seal in kitchens, bathrooms and others.

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钻孔机在一个密封的通风管道前受阻，而这个管道离矿工们还很远。

The drill may have hit a sealed shaft, away from the miners.

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钻孔机在一个密封的通风管道前受阻，而这个管道离矿工们还很远。

The drill may have hit a sealed shaft, away from the miners.

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