The primary uses of oxygen relate to its strong oxidizing and life- sustaining properties.
我们的经济实力已相当稳固,足以承担这些额外的开支。
One of the primary uses of sequence diagrams is in the transition from requirements expressed as use cases to the next and more formal level of refinement.
序列图的主要用途之一,是把用例表达的需求,转化为进一步、更加正式层次的精细表达。
Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces.
黄铜的主要用途是球阀阀杆和球体,和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
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