词汇	风化槽
释义	风化槽 weathered ditch
随便看	mechanical observation mechanical obstruction Mechanical obstruction of cardiac device mechanical obstruction of urinary tract mechanical occlusion theory mechanical octane mechanical octane number mechanical ocular injury mechanical ohm mechanical oil mechanical oil production mechanical oil recovery mechanical oil recovery equipment mechanical oil valve mechanical operated arm mechanical operating mechanism mechanical operating valve mechanical, optical mechanical optical comparator mechanical-optical comparator mechanical optical sound recording mechanical-optical sound recording mechanical optical switch mechanical-optic deflector mechanical optics