The effect of working parameters on the erosion performance of underwater jet is investigated, such as , simulated depth, stand off distance and exposure time.

试验研究了模拟水深、靶距及冲蚀时间对水下射流性能的影响关系，较全面地揭示了水下射流的特性。

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During turbine working, the blade bears strong wind load, air erosion, shock load by minute rough granules, or impact by ultraviolet.

风力机在工作过程中，风机叶片要承受强大的风载荷、气体冲刷、砂石粒子冲击、紫外线照射等外界作用。

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And factors affecting electric erosion, such as circuit parameters, mechanical parameters, contact materials working surroundings, etc., were also introduced.

还介绍了影响电侵蚀的多种因素，例如：电气参数、机械参数、触点材料、环境因素等。

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But we also need to reverse the overall erosion in middle class security so that when this economy does come back, working Americans are free to pursue their dreams again.

WHITEHOUSE: Key Investments for Middle-Class Families

Such an assumption is akin to claiming that a television set left on and unattended will still be in working condition after a million years because no natural events, such as rust, erosion, static electricity, and earthquakes can affect it.

FORBES: ENCODE Papers Get A Fisking