Sent_en: 2zh Investigators initially struggled to produce enough ice under test conditions but have now found that at high concentration, fuel can form ice at very low temperatures in enough quantity to seriously restrict fuel flow, according to a new interim report by the AAIB.
Sent_yy: 根据航空事故调查局最新发布的中期报告，调查人员起初尽力在试验条件下制造足够的冰，但是现在发现，高浓度的燃油可在非常低的温度下形成足够量的冰，从而严重限制燃油的流动。