The track system trolley features a unique dovetail mounting design which securely holds the power unitbase in position for maximum accuracy.
独特的雁尾槽设计，使得轨道系统牢固地托起动力单元座，使切割精度大大提高。
2
Therefore to understand a single pump or more transmission characteristics of the noise, heat pump unitbase to explore ways to control noise, has a practical significance in general.
因此了解单台或多台热泵的噪声传播特性，探讨热泵机组群噪声防治的方法，具有一定的普遍现实意义。
3
Unit is a base type that represents a unit of deployment in a topology model.