这类产品包括许多稀有金属或贵金属,贱金属或合金带材或各种形状的挤压型材,某些轴承金属,某些硬软磁性材料等。
Examples of this class include many of the rare or precious metals, strip or extruded shapes in base metals or alloys, some bearing metals, some hard or soft magnetic materials, etc.
B1101 吧哈美国-F键,.468“内腔,锥形转片和轴承,透明亮漆,吧哈336-11吹口,7514C豪华硬箱子,选配降E可调音调滑块。
B1101 Bach USA - Key of F, . 468" bore, tapered rotors and bearings, clear lacquer, Bach 336-11 mouthpiece, 7514C deluxe hardshell case. Optional Eb tuning slide available".
一种减少磨擦的轴承,主要由包括可自由旋转的硬金属珠的环状轨道构成,转动轴或其他部件因撞碰金属珠而转动。
A friction-reducing bearing consisting essentially of a ring-shaped track containing freely revolving hard metal balls against which a rotating shaft or other part turns.
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