Elevation view of a tapered key with optional gib head.
具有可选钩头的锥形键的正视图。
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".
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。
A new forming process for tapered suspension coil spring of Audi passenger car is introduced, and the technique and key points the design of the new process are also analysed.
介绍了奥迪轿车变截面悬架螺旋弹簧棒料成形新工艺，对新工艺方案和设计要点进行了分析。
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