Toxic and rare metal, adhere to the double lock system.

剧毒和稀有金属，坚持双人锁制度。

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The liner programming technology intensive, beware of drilling pile vacuum filling, double lock temperature.

精深的内胆规划技术，谨防钻绒真空填充，加倍锁温。

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Avoid knocking or ringing the doorbell where the double lock is on, proceed to the next room and come back later.

避免打扰反锁的房间，先打扫旁边的房间，等会再回来。

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Instead of such a "double lock", the commission floated the idea of a "double count", where the proportion of English MPs supporting a Bill would be published alongside the overall result.

BBC: England-only laws 'need majority from English MPs'

With Canadian trusts and preferred stock you can still lock in double digit yields.

FORBES: Oil Spill May Be a Lucky Break For Stock Brokers

At that point, Paul Volcker, then the Federal Reserve chairman and now an advisor to President-elect Barack Obama, successfully brought down inflation, allowing investors to lock in double-digit Treasury yields.

ECONOMIST: Market.view: Reversion to the mean | The