The usage status of cutting fluid can be observed directly by iron spectrometer under a suitable test condition.
在合适的试验条件下，还可利用铁谱仪直观地了解切削液的使用状态。
In modern university, the plans of new campuses are well designed with novelty and various ideas, but the usage status of them after construction is mostly not quite satisfactorily.
新建大学校园构思设计新颖、多样，但建成后的使用现状有日寸并不十分理想。
According to the analyses of rust steel bar in bridge structure, this paper assesses the usage status of reinforce steel bar to provide technique data for identifying old bridge quality correctly.
本文通过对桥梁结构物中钢筋锈蚀的分析，来评定桥梁结构中钢筋的使用状态，为准确鉴定旧桥的质量与可靠度提供技术数据。
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