型号:TB802球类包装: 2只装网球分类: 练习用球有气压球(PRESSURIZED TYPE)为初学者特别设计,高弹力橡筋,网球弹性好,耐磨性优秀 丝绸之路的基本走向形成于公元前后的两汉时期。
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Multiple water bale heated, pressurized gas-fired energy-saving type oven for barbecue, bathing and heating.
多水包受热,增压,燃气型烧烤、洗浴、取暖节能炉。
In present paper, a new type of ring-stiffener, called the ring-stiffener of half-tube, is introduced in pressurized cylindrical shell structures.
本文提出了半圆环壳型肋骨加强的耐压圆柱壳结构形式,在理论和模型试验研究的基础上建立了设计计算方法。
A high pressurized design method of slipper pairs of a new type camshaft connecting-rod low speed high torque motor was put forward.
介绍了一种采用静压支承的曲轴连杆式低速大转矩液压马达滑靴副的高压化设计方法。
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