采用一把螺丝刀从凹槽中拆卸螺旋阀座定位器环。
A screwdriver is used to remove the spiral seat retainer ring from its groove.
两根互绕扁螺旋钢丝的剪切作业是菱形金属网编织机设计中的关键一环。
The shearing work of two mutually twisted flat screw wires is a key link in the design of rhombic metal mesh weaving machines.
利用最大应力强度准则,得到了单一螺旋缠绕及螺旋加环向缠绕圆环压力容器爆破压强的计算式。
According to the maximum stress strength criterion, the burst pressure formula for the single spiral and the spiral with hoop filament-wound toroidal pressure vessel were obtained.
应用推荐