排清 meaning in English

serum drainage

Drain the urine bag at least every eight hours
最少每八小时便要排清尿袋
Over the past month , how often have you had a sensation of not emptying your bladder completely after you finished urinating
在过去的一个月中，你是否经常有未能把尿排清的感觉？
If a motorized sprayer is not going to be used within the next 48 hours , drain fuel tank and carburetor and leave empty
若在四十八小时内，不再使用机动喷雾器，应将油箱及化油器内的燃油排清。
Pomegranate contains rich organic acids , vitamins c & b , proteins , calcium , phosphorus , potassium and other mineral substances , can deliver a large amount of oxygen to the basal layer of skin tissues , help regulate the skin grease secretion , improve the cell respiration , skin resistance and detoxifying capability , remove skin toxins that block up pores , shrink flared pores , leave pores pure again , present the skin with perfectly smooth touch , bright tone and natural , youthful brilliance
石榴中蕴含的丰富有机酸、维生素c & b ，蛋白质及钙、磷、钾等矿物质，能将大量氧气带到皮肤组织底层，帮助肌肤调节油脂分泌，焕发细胞呼吸，提升皮肤抵抗力及排毒功能，排清阻塞毛孔的皮肤毒素，收细粗大毛孔，让毛孔回复纯净无污染状态，肌肤触感完美顺滑且肤色明亮，展现自然青春光彩。