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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶电气与船舶安全

单项选择题

The abbreviation "TDS" about the potable water probably means （）.

A.total dissolved solids
B.temperature of distillation of sea water
C.total dissolved sodium
D.total delivery system

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