Source of dust removal equipment Botou pay warmly welcome all to visit, study, business negotiations.

泊头市薪源除尘设备有限公司热诚欢迎各界前来参观、考察、洽谈业务。

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Aim to determine the main source of dust pollution in the air in Shang Lan Area, to tackle the problem directly.

目的确定上兰地区空气中尘污染的主要来源，便于针对性治理。

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Traffic on roads, even when they are complete paved, is also a major source of dust, smoke, and aerosol emissions.

道路上的交通，甚至当道路是完全铺盖的情况下，也是灰尘、烟和悬浮质的主要排放源。

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Mangroves are the most readily available source of firewood for fires to boil seawater and what is called "salt dust" scraped from the soil.

VOA: standard.2010.03.29

These are a key source of toxic PBDEs in household dust.

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Sweet Spot Petra has gobbled up market share in Southeast Asia, leaving its European and U.S. competitors in a cloud of cocoa dust. 2005 market share (dollar value) Source: Euromonitor International.

FORBES: Magazine Article