It was a super luxury ship where all the cabins were private suites.这是艘超级豪华客轮,所有客舱都是单间.The cabins had linoleum tile floors.船舱地上铺着油毡。The fire broke out in two unoccupied cabins.两间空置的棚屋里发生了火灾。Early Bell 47 models had open ...
Ultrasonic parallel - axes honing is a new machining method of gear honing.超声波平行轴硬珩齿是一种新型的齿轮精加工方法....four grinding wheels for honing fine edged tools and implements.4个珩磨带有锋利刀刃的工具的砂轮Cylinders must be cleaned thoroughly af...