您要查找的是不是：
- The effect of n alcohols and fatty acids as additives on the antiwear and extreme pressure properties of rapeseed oil in sliding of steel against steel as investigated using a four ball machine. 在四球摩擦磨损试验机上考察了醇-菜籽油及羧酸-菜籽油对钢-钢摩擦副抗磨与极压性能的影响;并分析了其润滑机制.;结果表明:醇不能改善菜籽油的抗磨性能及承载能力;
- Four kinds of additives are synthesized from oleic acid. Their lubrication properties are measured by four ball machine and wear tester.Their lubrication mechanism is discussed in detail. 本文合成了四种油酸类添加剂,用四球机,摩擦磨损试验机测定了它们的润滑性能,同时对其润滑机理进行了理论探讨。
- four ball machine 四球机
- Afterward the Villa Reals company enters four ball reversal. 随后比利亚雷亚尔连入四球逆转。
- I have got four balls and four bats. 我有四个球和四个球拍。
- But the other four balls are made of glass. 但是其他四只球都是玻璃做的。
- Every is the powdery material,must press the ball all to have to press the ball machine to complete. 各种冶金粉料冷压球团的生产。
- A ball machine is available for practice during class time. The class meets at the Leland High tennis courts. Bring your own racket. 教练们希望由网球课中培养学生们正确的运动精神，加上不断的练习，日积月累，必能达到技术的提升，欢迎大家一同来切磋球技!
- The assembly shall include two resilient shutoff valves and four ball type test cocks and a hydraulically balanced bypass line. 这种总成应该包括两个弹性阀座关闭阀和四个球型测试旋塞，以及一个液压平衡旁路管线。
- Zhuji City Fitch ball machine factory is located in the beautiful Xishiguli ---- ------ Zhuji City in South China Hardware City, shops Town industrial area. 诸暨市誉球机械制造厂座落在美丽的西施故里----诸暨市------中国南方五金城，店口镇工业区。
- To allow(a batter) to go to first base by pitching four balls. 保送上垒通过投出四坏球而使（击球手）可进到第一垒去
- Dry powder pigeonhole ball machine apparatus, various drying-machine apparatus, all operate computer to be accurate to calc-ulate, design by senior engineer. 矿粉压球机设备；干粉压球机设备，各种烘干机设备，全部由高级工程师操作计算机精确计算设计。
- Riding on four ball bearings, the steering system allows you to experience full control and extreme precision. 骑在四球轴承，转向系统可让您的经验，完全控制和极端的精度。
- Let the knuckles continue on target as if hitting four balls. 好像打击四个球，让指节继续对准在目标上。
- The assembly shall include two resilient seated shutoff valves &four ball type test cocks. 这种总成应该包括两个弹性阀座关闭阀和四个球型测试旋塞。
- If a pitcher throws four balls the batter gets on base for free. 如果一个投球手投出四次坏球，那么击球手则会自动到垒上去。
- The effectiveness of theproposed method is validated by multiple spectroscopic, ferro-spectral, four ball wearingand physicochemical tests. 多次的光谱、铁谱、四球磨损和理化性能测试，说明了该方法是行之有效的。
- Each kind smelts the diamond dust material col suppression ball group production Every is the powdery material, must press the ball all to have to press the ball machine to complete. 凡是粉状物料，需压球的都是需要压球机来完成。
- This article investigated the adaptability of all kinds of detergent in different base oil through plate and four ball testing. 本文利用成焦板、四球机试验考察了各清净剂在中间基和加氢基础油中的感受性。
- Series 774X consists of two independently operating check valves located between two resilient seated shutoffs with four ball valve type test cocks. 系列774X有两个独立运行的止回阀，位于两个弹性阀座关闭阀之间，并配置四个球阀类型的测试旋塞。
