Remember we used to have a sweet, all disappear in smoke gas.

想起我们曾经有过的甜蜜，所有的气都烟消云散了。

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The invention discloses a cut tobacco additive which can reduce the CO in the smoke gas.

本发明公开了一种能降低卷烟烟气中一氧化碳的烟丝添加剂。

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The average dust removal efficiency of the SW type smoke gas purifying device can reach 96.4% under the normal work condition.

在正常工作条件下，SW型燃煤炉窑烟气净化装置的平均除尘效率可达96 4%。

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Patients may be asked to identify smells like smoke, natural gas or fruits.

VOA: special.2009.09.15

The new system also includes enhanced venting of smoke and gas from inside the battery to outside the plane.

NPR: FAA Approves Resumption Of Boeing 787 Flights

Some chemicals showed a possible link to breast cancer, including benzene, 1, 3-butadiene, and ethylene oxide, which are chemicals found in tobacco smoke, gas fumes, and exhaust from cars.

FORBES: Environmental Risks For Breast Cancer: What You Need To Know

The cause of the blaze is not yet known, but it began during the night, after the factories had closed for the day, and sent out smoke and gas that suffocated victims as they ran down stairs, officials said.

BBC: Bangladesh factory collapse toll passes 1,000