Better methods of dewatering and disposing of these sludges are needed.需要研究更好的污泥脱水和处置方法.Frequently, dewatering of sludges is difficult, especially when of gelatinous consistency.通常来说, 污泥脱水是困难的, 特别是属于胶粘状稠厚污泥时.Dewatering a...
The doctor's voice had come alive and his small eyes shone.医生的嗓音恢复了活力，两只小眼睛也有了神采。The moon shone, shedding a ghostly light on the fields.月亮闪耀，田野上洒下幽幽的亮光。One of the men shone a torch in his face.其中一名男子用火把照着他的脸。...