n.润滑油...

luboil的音标：luboil的英式发音音标为：['lu:bɔɪl]luboil的美式发音音标为：['lubɔɪl]...

Clean all parts and smear them with luboil, keep it in good condition before stowing.枪体存放前,需擦刷清洁,涂油, 使之处于良好状态....