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旋闭 [xuán bì]
[天] trailing
- 当光子作为磁场的介质时，光子为自闭的自旋耦合子，称为光磁子；
When photon acts as the medium of magnetic field, the photon is became a self-trapped spinning coupled magneton, it is called photonic magneton. - 将旋钮旋转到全闭的位置，然后旋回到全开的位置，测试是否旋转灵活。
Rotate knob to full-closed and back to full-open to test for free rotation. - 止回阀按结构划分，可分为H72对夹升降式止回阀、旋启式止回阀和ZHYH46EJ微阻缓闭蝶形止回阀三种。
Divided by the structure of a non-return valve can be divided into the H72 non-return valve on the jack-up folder, and Swing Check Valve Slow Close ZHYH46EJ micro butterfly check valve in three.
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