pump-free的用法和樣例：
例句
- Heat pipe ejective air conditioner is a new no pump system, which can use solar energy and other low-grade heat sources.
利用熱管和噴射器復合所組成的空調系統是一種可利用太陽(yáng)能和備類(lèi)余熱的無(wú)泵型新型空調系統。 - The analytical solutions for the stead state equations of four wave mixing with an arbitrary complex coupling constant are given without the undepleted pump approximation.
在無(wú)泵浦非耗竭近似下，給出了復耦合系數為任意值時(shí)穩態(tài)四波混頻耦合波方程組的解析解。
