The single unit cap and lifting lever permit manual valve opening (testing) with low required force on the lever.

这种一体式阀盖和提升杆使得检测人员只需轻轻扳起测试杆即可人工手动开启阀门进行测试。

youdao

Large Hadron Collider (LHC) is the representative of a new generation of accelerators, in order to achieve the required force field of the accelerator's magnets must be cooled using liquid helium.

大型强子对撞机(LHC)是新一代加速器的代表，为了达到所需力场，该加速器中的磁体必须采用液氦进行冷却。

youdao

I think that if a classroom devolves to the point where physical force is required to gain control,

我认为，如果一个课堂秩序十分混乱，以至于要用武力来维持秩序，

反对体罚 - SpeakingMax英语口语达人

The Administration noted in the FY 2014 Budget that after determining the required force levels in Afghanistan, a Budget amendment updating the OCO request would be submitted to the Congress.

WHITEHOUSE: Letter -- Fiscal Year 2014 Budget Amendments

The risk must be that whatever government emerges will only prove an interlude before a fresh crisis, in which external pressure once again is required to force Rome to confront the Italian economy's structural shortcomings, perhaps in return for a deal with the European Central Bank to support the government bond market under its Outright Market Transactions program.

WSJ: Post-Election Inaction Could Reawaken Crisis

The large sales force required makes it too expensive at large scale.

FORBES: Do Merchants Get New Customers From Daily Deals?