The pathogenesis of this symptom complex is not entirely clear but is believed to involve both mechanical obstruction and chemical injury.
这一综合征的发病机制尚未完全清楚，但相信与机械梗阻和化学损伤有关。
2
NOTE: an energy source is any electrical, mechanical, hydraulic, pneumatic, gravitational, chemical, nuclear, thermal, or other energy source that could cause injury.
注意：任何电气、机械、水力、风力、重力、化学、原子能、热能或者其他能源都能导致伤害。
3
Objective To produce a new animal model of graded mechanical brain injury.