机械能是守恒的，因为重力是守恒力。
Mechanical energy is conserved, because gravity is a conservative force.
匀变速运动是恒力作用的结果吗？
Is the motion with even variable velocity the result of constant force?
永恒力自1997年起活跃于中国市场。
Jungheinrich has been active on the Chinese market since 1997.
作用于粒子的力是恒力。
永恒力经营的一个重点是扩建售后服务网络。
One focus of Jungheinrich activities is the extension of its service network.
拧盖力矩无级可调，具有恒力矩旋封塑盖功能。
It can use constant power to screw capping the plastic caps.
本 实用新型的电动恒力铰链操作方便、成本低廉。
The electric constant force hinge of the utility model has convenient operation and low cost.
敬请各位一如既往支持并关注恒力集团有限公司，谢谢！
Please, as always, support and concern Hengli Group co., Ltd., Thank you!
敬请各位一如既往支持并关注恒力集团有限公司，谢谢！
Please, as always, support and concern Hengli Group co., Ltd., Thank you!
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