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- The shaft is splined to lock into the disc to ensure positive rotation. 阀杆用花键锁在阀瓣上，以确保旋转灵活。
- The shaft shall be hexagonal or square to ensure positive rotation of the disc and be totally sealed from exposure to the process liquid. 阀杆应该是六角形或方形，以确保阀瓣能够灵活旋转，并且完全密封，不会暴露在处理的液体里。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- The seasons follow each other in rotation. 四季循环交替。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- A Method of Solving Hoist's Speed No Symmetry to Positive Rotation and Reversed Rotation 一种解决提升机正反向速度不对称的方法
- A rotation of personnel; crop rotation. 员工的轮流替换; 农作物的轮作
- This charge is a positive charge. 这个电荷是正电荷。
- The rotation of crops keeps the soil healthy and fertile. 谷物轮种使土壤保持了肥力和高质。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Can you be positive about what you hear? 你对听到的话有把握吗？
- Three wrong connections of wattfulpower meter during positive rotation and its metering analyse 有功电能表正转时的三种错误接线及其计量分析
- He has a positive attitude towards life. 他对生活持有积极的态度。
- The sun appears to rise and set because of the earth's rotation. 因为地球在自转,看上去就有了日出和日落。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- The chairmanship of the committee changes in rotation. 委员会主席一职是轮流担任的。
- Are you positive that you saw him? 你肯定你看到他吗?
- An erotic rotation of the pelvis. 淫荡地晃动卖弄色相地扭动臂部的动作
- A counterweight balances the rotation. 有一个砝码平衡回转。
