In late April a big company, Chesapeake Energy, suspended its fracking in Pennsylvania after one of its natural-gas Wells blew out and spilled toxic drilling fluid into a nearby creek.
4月下旬，切萨皮克能源公司在宾州的一个天然气井外溢，致使有毒的液体流入附近小河，该公司的破裂法采气被叫停。
The method of supercritical fluid extraction (SFE) has special physical and chemical properties, with high speed, high efficiency and high level of automation, using no or few toxic solvents.
超临界流体萃取技术依靠超临界流体独特的物理化学性质，具有快速、高效、不使用或少量使用有毒溶剂、自动化程度高等特点。
PC board modify fluid is a kind of colorless lit liquid, ph neutral, non-toxic, but has an impact type smell.
pc板修改液是一种无色通明的液体，酸碱中性，无毒，但有影响型的气味。
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