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calcium magnesium acetate
而新西蘭則使用醋酸鈣鎂(英语:calcium magnesium acetate)。這種化學品則完全避免了對環境有害的氯離子。尿素有時用來噴灑吊橋,因為它与鐵或鋼都不会发生反應。不過尿素效果比鹽為低,相同 ...
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