查询词典 rotary gap

Objective To evaluate clinical effect of the handling ProTaper Nickel-titanium rotary instruments in preparation of canals of posterior teeth.Methods 96teeth with pulpitis or periapical periodontitis were instrumented by handling ProTaper rotary instruments using step-down technique,and by K files using step-back technique for control.All teeth were obturated with lateral condensation methods.The efficiency of preparation was analyzed with ra-diographs before and after operation.

目的 评价手用ProTaper预备后牙根管的临床效果方法选取患有牙髓炎和根尖周炎的后牙96例，随机分成试验组和对照组各48例，试验组用手用ProTaper 锥度镍钛旋转器械逐步伸入法预备根管，对照组用K锉，逐步后退法预备根管，两组均用侧向加压充填法充填根管，根据治疗后的X线片，评价后牙根管预备效果。

The first excavator manual has been available 130 years of history has gone through during the fight by the steam-driven rotary excavator to the internal combustion engine and electric drive rotary excavator hydraulic application integration technology of the automatic hydraulic excavator Step by step in the development process.

第一台手动挖掘机问世至今已有130多年的历史，期间经历了由蒸汽驱动斗回转挖掘机到电力驱动和内燃机驱动回转挖掘机、应用机电液一体化技术的全自动液压挖掘机的逐步发展过程。

The invention provides a spring seat is intended for use at opposite ends of a small coil springs disposed between a power input rotary member and a power output rotary member.

本发明构思了一种供设置在动力输入旋转构件和动力输出旋转构件之间的小盘簧之两相对端使用的弹簧座。

In another embodiment, a spring seat is provided with a first support portion and a second support portion such that the orientation of the spring seat determines a phase or orientation of the power input rotary member with respect to the power output rotary member.

还可以在弹簧座上设有一第一支承部分和一第二支承部分，这样弹簧座就决定了动力输入构件相对于动力输出构件的相位或取向。

The products has high-precision horizontal spindle surface grinders with rectangular table, high-precision horizontal spindle surface grindes with rotary table, vertical spindle surface grinders with rotary table, CNC corrugated roller profile grinder, CNC creep-feed profile grinders and floor-type guideway grinder etc.

公司的产品有高精度卧轴矩台平面磨床、高精度卧轴圆台平面磨床、立轴圆台平面磨床、数控瓦楞辊成形磨床、数控圆弧剪刃成形磨床、数控强力成形磨床和导轨磨床等80多个品种规格的技术储备，其中有填补国内空白的产品和荣获国家银奖的产品。

At present, the domestic market of Rotary Rotary 凸印 machine were occupied import equipment, including Japan, Taiwan, Labelman Ko－pack, domestic equipment of basic blank (Mt. printing machine has several pieces of prototype we have produced).

目前，国内市场上的圆压圆轮转凸印机全部被进口设备占据，包括日本 Ko－pack、台湾的Labelman，国内设备基本空白（太行印机曾生产过几台样机）。

Rotary's Youth Exchange program allows Rotary districts to participate in exchanges with students ages 15–19 from more than 80 countries worldwide.

扶轮的青少年交换计划能让扶轮地区参与全世界80个以上的国家15到19岁的学生参加交换活动。

What else can Rotary districts and Rotary leaders do to ensure the continued viability and success of this important Youth program?

扶轮地区及扶轮领导人还可做哪些其他的事情，以确保此一重要的青少年计画保持活力及继续成功？

There is bigger eccentricity of rotary piston pump s rotary quality ,which can produce bigger vibration when it running if no finer quality balance.

滑阀泵的旋转质量有较大的偏心，如果没有很好的质量平衡，在运转时会产生较大的振动。

There has bigger eccentricity of rotary piston pump s rotary quality , which can produce bigger vibration when it running if no finer quality balance.

滑阀泵的旋转质量有较大的偏心，如果没有很好的质量平衡，在运转时会产生较大的振动。

Men can broil a steak; and there are always eggs and bread-and-butter.

男人都会煎牛排；再不济縂还能吃鸡蛋和面包黄油。

With these virological end points we can predict with good accuracy the long-term clinical outcome.

用这种理论上的终点，我们可以预测长期治疗的临床结果，其准确性较好。