Rid-muscle flap and ring pedicled with vessels were made of the 3rd rib and the attaching intercostal muscles, and the tracheoplasty and tracheal restoration were performed.
将第3肋骨与上下肋间肌修整成带血管蒂的肋骨肌瓣、骨肌瓣环，分别行胸内气管成型与环形替代术。
Within each workshop to the main ring road, designed for vehicle operation, good fire.
厂内通往各车间的主干道设计成环形道路，便于车辆运行，有利消防。
The fundamental solutions for displacements and stress components of the layered soil due to unit internal ring loading are first derived with integral transforms and the transfer matrix method.
采用积分变换和传递矩阵方法，求解了成层土在内部环形荷载作用下的基本解；
Ring pouring channel was set for pouring position. Ladder-like horizontal gate was designed for horizontal gate. Section area of ingate was calculated by the equation.
浇道位置为环形浇道，横浇道设计成扁梯形横浇道，内浇道截面面积根据公式求取。
Ring pouring channel was set for pouring position. Ladder-like horizontal gate was designed for horizontal gate. Section area of ingate was calculated by the equation.
浇道位置为环形浇道，横浇道设计成扁梯形横浇道，内浇道截面面积根据公式求取。
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