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He devotion for PingPang Ball is infection by his father who is a famous PingPang Ball drillmaster.

他对乒乓球的热爱是受他父亲，一位著名的乒乓球教练的影响。

Remember, your first aim is not to droop the ball and your second aim is not to look at the ball .

记住，你的第一个目标是不能掉球，第二个目标是带球时不能看球。

The ability to let a ball drop over your shoulder and move off in the direction of ball travel.

让用户能够比你的肩膀下降，移动球在球行进的方向了。

Since this is the case, the best ball to attempt a drop shot is a low, short ball.

因此， 好的小球总是又低又短。

Ball bearing, test bed, carrier rocket, pneumatic cushion, tractor shoe, monkey driver, ball cock, automatic pecker, worm auger, decay daughter, sister metal, foreign tissue, getter pump, ghost image, heel block, heartman, downer, at farm, mosquito bomb, plastic stockings, nose cap, flu mask, first aid, fire engine, skid chain, sweet water, drug-fast, vital capacity I-bar, O-ring, T-square, octahedron, zigzag chain, gable roof, cross stitch, set square, arch dam, cam shaft, cone buoy, U-bolt,?

滚珠轴承，实验台，运载火箭，气压式缓冲器，拖拉机履带片，锤式打桩机，球阀，自动穿孔器，螺旋钻，裂变产物，同类金属，异体组织，抽气泵，叠影，垫块，心脏移植者，镇静剂，减肥中心，杀蚊弹，玻璃丝袜，防毒面具，卫生口罩，急救，救火车，防滑链，饮用水，抗药性，肺活量工字梁，环形圈，丁字尺，八面体，Z形链，人字屋顶，十字缝，三角尺，拱坝，凸轮轴，锥形浮标，U形螺栓三、注意语义分析？

Ball bearing, test bed, carrier rocket, pneumatic cushion, tractor shoe, m onkey driver, ball cock, automatic pecker, worm auger, decay daughter, sister metal, foreign tissue, getter pump, ghost image, heel block, heartman, downer, at farm, mosquito bomb, plastic stockings, nose cap, flu mask, first aid, fire engine, skid chain, sweet water, drug-fast, vital capacity

滚珠轴承，实验台，运载火箭，气压式缓冲器，拖拉机履带片，锤式打桩机，球阀，自动穿孔器，螺旋钻，裂变产物，同类金属，异体组织，抽气泵，叠影，垫块，心脏移植者，镇静剂，减肥中心，杀蚊弹，玻璃丝袜，防毒面具，卫生口罩，急救，救火车，防滑链，饮用水，抗药性，肺活量

Ball bearing, test bed, carrier rocket, pneumatic cushion, tractor shoe, monkey driver, ball cock, automatic pecker, worm auger, decay daughter, sister metal, foreign tissue, getter pump, ghost image, heel block, heartman, downer, at farm, mosquito bomb, plastic stockings, nose cap, flu mask, first aid, fire engine, skid chain, sweet water, drug-fast, vital capacity

滚珠轴承，实验台，运载火箭，气压式缓冲器，拖拉机履带片，锤式打桩机，球阀，自动穿孔器，螺旋钻，裂变产物，同类金属，异体组织，抽气泵，叠影，垫块，心脏移植者，镇静剂，减肥中心，杀蚊弹，玻璃丝袜，防毒面具，卫生口罩，急救，救火车，防滑链，饮用水，抗药性，肺活量

Research this adopt high energy ball milling with cylinder ball milling , wanting methodding that combining mainly, carried on experiment research to different auxiliary under doing the dry law craft and wet law craft separately, to analyze some auxiliary and mill and make function and effect in course on the aluminium powder.

本研究主要采用高能球磨和滚筒式球磨想结合的方法，分别在干法工艺与湿法工艺下对不同助剂进行了实验研究，来分析一些助剂对铝粉磨制过程中作用和效应。

In 1970, the ball was transitioned from a four panel to an eight panel ball.

在1970年，比赛用球由4嵌镶面换成了8嵌镶面球。

Inside these ball mills,the high quality ball mill Material is more expensive than ordinary mill material,thus effectively,and removing iron,it will become purer and evener.

这些球磨机内，使用的是超高质球磨料，比普通企业贵几十倍，能有效减少球磨机过程中杂质的产生，经过严格的过筛、除铲除后，就更加纯净均匀。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。