Mechanical seal repair process more complicated, after assembly to ensure no leakage of the mechanical seal, mechanical seal technology essential check size.

机械密封检修工艺较为复杂，要保证组装后的机械密封无漏泄，机械密封技术尺寸的校核必不可少。

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He cannot simply write a check of that size to make the case go away.

NEWYORKER: Madoff��s Curveball

An eye in the sky could be used to interdict drugs, size up needs in disaster relief, ensure port security, check power lines and fuel pipelines, fight forest fires and count wildlife, Brown said.

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Air travel has become increasingly annoying and enervating: delayed flights, more restrictive rules on the size of carry-ons (anything bigger than a wallet may force a gate check), delayed or lost luggage, long check-in lines, etc.

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