Do when crouching start shipment to move , if rate is too rapid , the frequency is too much , perhaps use erupt force and rebound strong , can hurt knee joint.
做蹲起运动的时候,假如速度太快、次数太多,或者用爆发力和反弹劲儿,就会伤到膝关节。
The magnetic mechanical engineering technology is to use the new permanent magnetism materials to get the strong permanent magnetic field force.
磁机械工程技术它是利用新型永磁材料,获得强大的永磁场力。
Therefore, it is necessary to use the centrifuge to produce a strong centrifugal force, in order to force these particles to overcome the proliferation of the settlement movement.
所以需要利用离心机产生强大的离心力,才能迫使这些微粒克服扩散产生沉降运动。
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