That doesn't mean you can expect to see Darpa researchers walking down every block with chemical-sampling canisters any time soon.
这并非意味着你将很快能看到DARPA的研究员们在每个街区走来走去，手里拿着化学品采样的小罐子。
Mainly used in thermal power, chemical industry, iron and steel and other enterprises of the heater, cold oil cooler, cooler, sampling cooler, exhaust gas cooler, heat exchanger, etc.
主要用于火力发电、化工、钢铁等企业的加热器，冷油器，冷水器，取样冷却器，抽气冷却器，换热器等。
Their compact and rugged design makes them ideal for many applications, including chemical dosing and metering, pipeline sampling and wastewater treatment.
该系列结构简单、坚固耐用，适合多种应用，包括化学计量和测量、管道采样和废水处理等领域。
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