sludgy deposits是什么意思

用法例句

Technology for separation of sludge in WPA unit of Kunyang Phosphate Fertilizer Factory;

昆阳磷肥厂湿法磷酸工程磷酸淤渣分离技术

Chemical Cleaning for Sludge in Steam Generator of Nuclear Power Plant (In Chinese);

核电厂蒸汽发生器淤渣化学清洗

It was recognized that the retention percentage of total base number and the sludge amount could reflect the hydrolytic stability.

探讨了评价高碱值磺酸钙水解安定性的方法,认为总碱值保留值和淤渣量均能较好地反映水解安定性。