Construction and maintenance of two wood debris dams across the outlet stream of Spring Pond.
近来，你在春池的河流出口处建造和维护了木堆水坝，这是违规的。
Gradually open the outlet block valve on the coolest product stream.
逐渐打开温度较低的产品流上的出口隔断阀。
Gradually open the outlet block valve on the hottest stream.
慢慢打开温度较高的产品流上的出口隔断阀。
Gradually open the outlet block valve on the hottest stream.
慢慢打开温度较高的产品流上的出口隔断阀。
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