Will you face blow-back by toughening up and putting clear boundaries around your time?
你会因为强硬起来，给自己的时间设定清楚的界限而不得不面对非议吗？
2
Once you get into a blow-back situation, the penalties include power lines, extreme rotor turbulence, tree landings, and possible death or injuries from any of these.
C. Blow-back through the scavenge air ports, owing to an incorrectly adjusted exhaust cam disc or large resistance in the exhaust system(back pressure not exceed 300 mm wc)