... 变位仪 displacement gauge 单元变位 elementary displacement 径向变位 addendum modification ...
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elastic elementary displacement effect 弹性基础变形效应
elastic elementary displacement effeet 弹性基础变形效应
elementary angular displacement [机] 微元角位移
Displacement measurement is the most elementary and most important measurement in mechanical field.
长度测量(又称位移测量)是机械行业测量中最基本、最重要的测量。
At the present, the key technology of the axial variable displacement piston pump is grasped by the foreign companies, the research and manufacture level in our country are on the elementary stage.
目前，轴向变量柱塞泵的关键技术掌握在国外公司手中，国内的研究、生产、制造均还处于初级阶段。
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