Pipe series: Elbow, tee, cross, movable joint, Bu core, reducer, pipe cap, choke plug, inside the wire, outside the wire, turned-over edge, increaser etc.
管件类：弯头、三通、四通、活接头、卜芯、大小头、管帽、堵头、内丝、外丝、翻边、异径管。
The invention relates to a car roof front edge aperture punching mechanism, which adopts an automatic punching technique to cut rear apertures at the front turned-over edge of a car roof.
本发明涉及一种适用于汽车顶篷前沿翻边后孔位自动冲切工艺的汽车顶篷前沿缺口冲切机构。
He turned over a log and just under the shelter of the edge were several hundred hoppers.
他翻起一段木头，木头旁边足有几百只在那儿。
He turned over a log and just under the shelter of the edge were several hundred hoppers.
他翻起一段木头，木头旁边足有几百只在那儿。
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