预: Ⅰ副词(预先; 事先) in advance; beforehand 短语和例子预约 make an appointment; 预祝成功 wish sb. success; 他们将预付一百三十法郎。 they will pay a hundred and thirty francs in advance. 勿谓言之不预。 do not say that we haven't
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Analysis of aluminium ores - chemical methods - method of preparation of pre - dried test samples 铝矿石分析.第2部分:化学方法.第1节:预干试样的制备方法
