... 前轴负荷测定 front axle-load measurement 质心位置测定 mass center test 离地间隙测定 ground clearance measurement ...
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Serving as a mass transit volunteer at the National Swimming Center during the Olympics, he has stood the test of all the hardships of his task.
奥运会期间，他在国家游泳中心“水立方”的交通业务口服务，作为一名“机动志愿者”，李杰体验了各个岗位的艰辛。
Horizontally pushing lifting jack of direct shear tests are operated on rock mass shear strength test. - center point group analysis is used for treating shear test data.
用平推法直剪试验进行岩体抗剪断强度试验，用-点群中心法处理直剪试验数据。
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