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- The new design of external ball surface lethe,and the effect of using were introduced. 提出了新的设计方案,介绍了新设计的外球面车床的使用效果。
- Selecting Ni 45 spraying welding for ball surface by analyzing test data,considering machining characteristics and operating condifions. 通过试验数据分析 ,并考虑加工性能和使用条件 ,选择Ni45喷焊球体表面。
- The key technology problems for the design of external ball surface lethe,yielding cut hydraulic pressure to lead and low rigidity of the system,were analyzed. 分析了设计外球面车床面临的关键技术问题:液压让刀,系统刚性不足的问题。
- The lapping tracks on the ball surface for the three contact points are fixed circles, and their lengths of the lapping tracks are linearly proportional to , , and , respectively. 在同心研磨时，球与磨盘之三接触点在球表面所造成的研磨轨迹为固定的圆圈，并且长度分别与、和成线性比例。
- Electric driving eccentric ball surface valve has two types: the common type and the explosionproof type, please give clear indication of type when ordering. 电动偏心球面阀有普通及防爆型两种、需方订货时须注明.
- Evaluation System of Steel Ball Surface Quality 钢球表面质量评价系统
- He singled and went to second on a passed ball. 他击出一垒打，再因对方漏接而跑上二垒。
- In cricket, the ball is delivered overarm. 打板球时，要举臂过肩掷球。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- Children love to ball snow up in their hands. 小孩子们喜欢将雪在手里做成球儿。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- She came out of her room equipped for the ball. 她盛装从房里出来预备到跳舞会去。
- The loss of the ball game stir up much feeling. 球赛输了引起了极大的愤慨。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- Smith tied into the ball for a home run. 史密斯猛击球取得本垒打。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- He swiped at the ball and missed it. 他向球猛击，但未打中。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
