The energy of a particle or system of particles derived from position, or condition, rather than motion. A raised weight, coiled spring, or charged battery has potential energy.
粒子或粒子系统因其位置或状态而非运动而具有的能量。举起的重物、压紧的弹簧或充了电的电池都具有势能。
In the process of up and down the tubing, the operating handle of the reel is always in the lift position, so that the coiled tubing can tightly wound on the reel.
在起下油管过程中，滚筒操作手柄始终处于上提油管位置，以使连续油管紧紧地缠绕在滚筒上。
In the process of up and down the tubing, the operating handle of the reel is always in the lift position, so that the coiled tubing can tightly wound on the reel.
在起下油管过程中，滚筒操作手柄始终处于上提油管位置，以使连续油管紧紧地缠绕在滚筒上。
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