Afterwards we hike through the woods. Kyla has her bear spray, which according to my book is a useful deterrent, though on a windy day 'may disable the user'.
2
除此之外，可能仍将继续努力，因为置入“桥堵剂”可能会进一步卡住防喷装置。
More than one attempt may be necessary, as may the injection of a "bridging agent" to further gum up the blowout preventer.
3
在压裂作业期间装在防喷器上的装置。压裂液和支撑剂在压力下被泵入压裂头，并沿井向下流动。
The device that is attached to the blowout preventers during a frac job. Fluid and propping agent are pumped under pressure into the frac head and down the well.
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