The invention relates to a plastic shell-type breaker magnetic test contact protection appliance and a using method thereof.

本发明涉及一种塑壳式断路器磁试验触头保护用具及使用方法。

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This paper describes the performance test, contact fatigue strength test and bending fatigue strength test on the gear reducer of involute point contact Ferrographical analysis is made.

本文对渐开线点啮合齿轮减速器进行了性能试验、接触疲劳强度和弯曲疲劳强度试验，同时还进行了铁谱分析。

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If you have problems with the self-test, contact your printer manufacturer.

如果自测有问题，请与打印机制造商联系。

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Some applicants contact many. An important part of the application usually is the Medical College Admission Test, or MCAT.

VOA: special.2010.07.13

Currently, the IRS is sending out experienced IRS agents to proactively contact and test jewelers and their Anti-Money Laundering Programs.

FORBES: Background

The diagnosis triggered a sort of "Typhoid Mary" scramble to find and test everyone who might have been in close contact with Ms. Skipper.

WSJ: TB's Global Resurgence Amplifies U.S. Risk

The new test was trialled on 50 healthy volunteers who attended a contact-tracing clinic in London after having been exposed to TB in varying degrees.

BBC: More accurate TB test unveiled