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今日入左機場維修區CAL. pH and ORP meter, 幾有新意啦算~
咁就做左一日啦~ d阿叔好正~1030-1100一個break, 1145去lunch1300先返, 1515-1545又一個break.....我成日就自己一個係treatment plant度對住d waste water~~正!!
見到好大隻機呀!!!勁
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