Examine the pressure meter tube and valve, pressure meter cover glass, if it is dirty, clean it with diluted hydrochloric acid.

检查压力表管道及阀门是否畅通，灵活，压力表面玻璃如有污，可用稀盐酸拭净。

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On Saturday night in Beijing, the tall one-meter, 96-centimeter Bolt used his long, quick strides to cover 100 meters in a jaw-dropping 9.96 seconds.

星期六晚上，博尔特这个1米96的高个头在北京以疾速的大步跑，令人惊讶地只用9秒96的时间就冲过100米终点。

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Under the cover of his assistants, Baumgartner broke through the 3-meter-high cordon and jumped down from the platform.

在他的助手们的掩护下，费力克斯冲破了3米高的警戒线，纵身从观光平台上跳下。

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The race was packed on Saturday, and the run lasted just two minutes and 53 seconds to cover the 825-meter (902 yard) course.

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He was too late to apply for a permit to climb that year, government officials said he could not climb Everest if he hadn't climbed a 6, 000-meter peak and insurance companies originally said they would not cover him.

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The time it took Bob Hayes, who died this fall at the too-young age of 59, to cover 100 meters during his anchor leg of the 400-meter relay in the 1964 Tokyo Olympics.

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