On the base of deficient right-Qi, the pathogenic wind, cold, wet, heat attack the human body, block muscle, channel and joints and cause stagnant movement of Qi and blood.

其发生主要是在正气不足基础上，感受风寒湿热之邪，闭阻于肌肉、经络、关节导致气血运行不畅而成。

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Non-watertight weld joints and fillet welding for stiffening member shall be painted after block inspection.

加强构件的非水密焊接接合和填角焊应该在检查完分段后进行喷漆。

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The strategy behind this technique is to block the facet joints with perforating screws.

这一技术的策略其实主要是通过穿孔螺钉固定关节突关节。

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Finding batteries powerful enough to fuel an exoskeleton's motorized joints remains a key stumbling block, explains Sugar.

CNN: Robot exoskeleton suits that could make us superhuman

In the mid-1990s Vertex chemists crafted compounds that block a key kinase protein that unleashes toxic immune-system molecules in arthritic joints.

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