先天性脊柱侧弯 congenital scoliosis
先天性脊柱裂 congenital spina bifida ; Spina Bifidia ; Congenital spinal dysraphism
先天性脊柱裂儿童 Children with Congenital Spinal Bifida
液压先导阀柱塞 hydraulic pilot valve plunger
先导阀柱塞补偿阀面 pilot valve plunger compensation land
先导阀柱塞 pilot valve plunger
先导阀柱塞的运动 pilot valve plunger movement
先导阀柱塞控制位置 pilot valve plunger control position
先天性脊柱变形 Congenital deformity of spine
速度设定先导阀柱塞 speed setting pilot valve plunger
先房后柱的上向分层胶结充填法在我国应用较为广泛，但矿柱后期回采条件较差。
The practice cf mining room first and then pillars by overhand cut and cemented fill is widely used in China, but the condition for pillars recovery in later period is normally worse.
这主要是为了帮助演奏者先熟悉发音以及用气流柱维持音色的感觉。
Repeating the segment staccato is merely an introduction of an interruptive mechanism to the reed not the air!
注意不要让定位柱在胶水里浮起来了，它应该很平整的贴在定位座上，位置就跟你先钱确认的位置一样。
Make sure the clip does not float in the glue, it should be flat to the mirror housing. Just like when you confirmed it's operation.
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