Our company's haze meter, is the company through years of study and repeated tests of a specialized tool for shaping the production.
我们公司的烟感探测器，是公司经多年研究，反复试验后定型生产的一种专用工具。
Our company's haze meter, is the company through years of study and repeated tests of a specialized tool for shaping the production.
我们公司的烟感探测器，是公司经多年研究，反复试验后定型生产的一种专用工具。
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