main runner

基本解释

Since the main test runner is HTML based, having a browser open is a necessity.
由于主要的测试运行器是基于HTML的，因此打开浏览器是必须的。
The removal of the condensed material in runner of the traditional typical structure of point gate of injection moulding was difficult when the cavity bottom of main runner was deep and long.
针对常用手工取浇道凝料的点浇口注射模，如果型腔板上的主流道杯较深长，则会出现取浇道凝料较困难的问题。
In the Iron Plant of WISCO the fast dried castable has been developed and applied into the only sand port of the main runner and a complete set of construction procedure have been established.
武钢炼铁厂在无备用主沟砂口情况下开发、应用了快干浇注料，并摸索出一套施工新工艺。

That was not the main job of a runner.
FORBES: Occupy Wall Street - Forget Carried Interest - Here is How to Really Stick it to the Hedge Funds
His main rival — who is believed to be the front-runner — is Raila Odinga, who is Luo.
NPR: Kenya's Upcoming Elections Bring Ethnic Tension