The shape of PP round chair are introduced, the mould structure of the injection molding with point gate and hot runner for the PP round chair, and it's running characteristics are researched.
For the bottom of the boilers not set cut-off gate of hydraulic generator, common inside guiding wheel is difficult to meet their long running time of need.
对于炉底未设液压关断门的机组，普通内导轮难以满足其长周期安全运行的需要。
3
Workmen put up the gate-posts that were to shut off the side streets when the bulls were released from the corrals and came running through the streets in the morning on their way to the ring.