For the diameters ratios, the stanchions pipe to ball is approx 0.6, top rail to ball is approx 0.5, mid rail to ball is approx 0.4.
球接栏杆的立柱管直径与球直径之比约为0.6；扶手管直径与球直径之比约为0.5；横杆管直径与球直径之比约为0.4。
The "gnawing rail" between wheel and rail of a bridge crane occurs sometime double-point contact circular top rail is of a structure form for eliminating "gnawing rail" fully.
起重机车轮与轨道间有时会发生“啃道”现象。双点接触圆顶轨道是彻底消除“啃道”现象的结构形式。
In hard staccato, the damper is actually bounced off the damper top rail, so that it returns even more quickly.
而在强力断奏中，止音器事实上会从止音器上横梁弹离，所以它归弦要更快。
In hard staccato, the damper is actually bounced off the damper top rail, so that it returns even more quickly.
而在强力断奏中，止音器事实上会从止音器上横梁弹离，所以它归弦要更快。
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