The mannequin's Styrofoam head, filled with cornmeal to simulate brains, was close to a professional-grade explosive, with a "quick match" fuse that burns almost instantaneously.
模拟人体的发泡胶,在模拟大脑里充满了玉米面,接近专业级的炸药,装有“速燃引信头”导火线,几乎在瞬间燃烧。
The piston head or "crown" is the top surface against which the explosive force is exerted.
活塞头部或“冠部”是整个活塞的最上端,处在燃烧室里要承受爆炸燃烧产生的力。
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