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。
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。
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。
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