drain blockage meaning in English
排水渠淤塞
Examples
- The causes of drain blockage existing in drainage system of low - pressure heaters no . 7 and 8 concerning imported 300 mw unit for a long term in huaneng weihai power plant have been analysed , and reasonable retrofitting scheme being put forward based on conditions in the field
摘要对华能威海电厂引进型300mw机组7 、 8号低压加热器（低加）疏水系统长期存在的疏水阻滞原因进行了分析，并根据现场条件制定出合理的改造方案。