Maintains the best oil film and excellent lubrication whenever at low or high operation temperature and under high loads.
无论在高或低的操作温度，以及在高负荷时，都能提供合适的油膜和优良润滑性。
To improve the normal operation reliability of follow-up wetland treatment system, some operation measures for constructing horizontal subsurface flow wetland under low temperature were put forward.
为提高后续湿地处理系统正常运行的可靠性，提出人工湿地在低温环境运行条件下的措施。
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