自由落体 | zì yóu luò tǐ | free-fall | |
普通炸弹 | gravity drop bomb / gravity bomb / iron bomb / dumb bomb / free-fall bomb | ||
自由下落炸弹 | gravity drop bomb / gravity bomb / iron bomb / dumb bomb / free-fall bomb | ||
自由落体取样器 | free-fall sampler / free-fall device | ||
自由下落子母弹箱 | free-fall dispenser |