decolouration meaning in Chinese

n.
脱色，退色；漂白。

In a joint operation with the customs and exercise department , police yesterday ( may 8 ) arrested 37 people in connection with decolouration of marked oil and sales of illicit fuel in tuen mun
警方联同海关昨日（五月八日）在屯门拘捕三十七名涉嫌将非法红油脱色及售卖的男女。
The operation codenamed buttonhead was an intelligence - led operation against a fraction of a triad society in tuen mun monopolising the decolouration of marked oil and the sales of illicit fuel in nai wai village
这行动是以情报为主导，旨在打击部分操控泥围村的非法红油脱色及贩卖的屯门一个三合会的分支。
After the raids on the decolouration plant in nai wai village and 11 sales outlets , 12 oil tankers and seven other vehicles were seized , and 35 men and two women , including the mastermind of the syndicate , were arrested
执法人员搜查一个位于泥围村的非法红油脱色工场及十一个非法油站后，检获十二辆油缸车及七辆其他车辆，并拘捕三十五名男子及两名女子，被捕者中包括集团主脑。