题目内容
土中的水可以分为哪两大类（）
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土由固体颗粒、水和气体三部分组成
结晶水、结构水、沸石水是矿物成分水。
Time of shipment refers to the time ________ for loading the goods on ________ the vessel at port of shipment.
In time of shipment, “on or about” means shipment is to be made during the period from 5 days________to 5 days________the specified date,both________daysincluded.
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