单词	大型多钻头钻机
释义	大型多钻头钻机 drill jumbo
随便看	mechanical designing Mechanical Designing Basis Mechanical Designing Rudiment mechanical design method mechanical design science mechanical design technology Mechanical design theory mechanical deslimer mechanical desludging Mechanical Despin Antenna mechanical despun antenna mechanical despun control system mechanical destratifier mechanical detachable spirale mechanical detail mechanical details mechanical detection mechanical deterioration mechanical deterioration properties mechanical determinism mechanical development committee mechanical device Mechanical device installation mechanical devices mechanical devises