On July 6, 1988, as part of routine maintenance, technicians removed and checked safety valves which were essential in preventing dangerous build-up of liquid gas.

在1988年7月6号，作为日常保养的一部分，技术人员检查阀门的安全，这在预防液态气体的危险中尤为重要。

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Whizz the cucumber in a blender until it becomes completely liquid, then add the drop of rosemary essential oil.

伴着黄瓜在搅拌机里的嗖嗖声直到它完全变成液体，再加入1滴迷迭香精油。

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Steadying and maintaining plating liquid is the essential condition of the guarantee to electroplate quality.

稳定镀液和镀液的维护是保证电镀质量的必要条件。

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Astronomers call the most promising of these places "Goldilocks planets, " because they orbit in a temperate zone not too hot and not too cold to support liquid water essential for carbon-based life as we know it.

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Actual berries and peels and spices are floating in the still, their essential oils and flavors being infused into the liquid, like making really good sauce.

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