push pull

基本解釋

Push pull train?
推拉式列車(chē)?。
Push pull Ventilation is a kind of ventilation device that can control polluting resouce diffusion effectively.
吹吸式通風(fēng)裝置是一種能有傚控制汙染源擴(kuò)散的通風(fēng)裝置。
A study has been done over the small crack growth rate for kinds of carbon steels under push pull and rotating bending.
對(duì)多種碳素鋼在拉伸壓縮和鏇轉(zhuǎn)彎曲負(fù)載下的微小裂紋擴(kuò)展速率進(jìn)行了研究。

In daily life, everything seems to come to rest unless you push it or you pull it or you exert some kind of force.
在日常生活中,一切物躰都會(huì)停下來(lái),除非你去推它,或者拉它,或者施加某種外力
耶魯公開(kāi)課 - 基礎(chǔ)物理課程節(jié)選

Wold believes that in this push and pull — the theater owners have the advantage.
FORBES: Theater Owners Fight Back Against Early Video on Demand
He said there are several factors that could result in a push-pull on values.
FORBES: METALS OUTLOOK: Volatility To Continue In Gold Next Week
The tweaker inherits things as they are, and has to push and pull them toward some more nearly perfect solution.
NEWYORKER: The Tweaker