That makes traditional lighting expensive and environmentally hazardous.

这就使传统的照明方式昂贵而且对环境有害。

youdao

Environmentally hazardous media do not escape in the event that bellows are damaged.

对环境有害的媒介无法逃生如果波纹管已损坏。

youdao

The heat transfer fluid shall be environmentally safe and shall not require hazardous material disposal.

热传导流体必须是符合环保要求的，不会产生有害物质。

youdao

"Green" technologies have all proved expensive, environmentally hazardous and wildly unpopular duds.

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Unlike conventional monitors, LED-backlit displays contain few or no environmentally hazardous substances, such as mercury or lead, and use about 40 percent less energy.

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The eco-rating system assesses 15 specific criteria drawn from five general categories of sustainability attributes - attributes include the usage of environmentally preferable materials, minimization of hazardous substances, energy efficiency, responsible end-of-life treatment and environmentally-responsible manufacturing.

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