On the Baosteel continuous casting test platform, the mold friction tests with hydraulic oscillation system were carried out.

基于宝钢板坯连铸试验平台，开展了液压振动下的结晶器摩擦力检测实验研究。

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All friction coefficients between deformed press and die during sheet metal deep drawing were tested using new kinds of friction test device designed by authors.

采用作者设计的一种新型测量薄板深冲成形过程中工具与工件之间摩擦系数的模拟装置，测定了相同材质的带材在不同条件下的摩擦系数。

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But from abroad in the use of the airport runway friction coefficient test purchase of vehicles demarcation device error is found, it is impossible to guarantee the next instrument.

但在使用从国外购买的机场跑道摩擦系数测试车过程中发现标定装置误差太大，根本无法保证接下来的测量。

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