The shearing work of two mutually twisted flatscrew wires is a key link in the design of rhombic metal mesh weaving machines.
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。
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"The rollercoaster is wooden and so unlike rides made from iron and steel there was always a chance of the odd nail or screw that would not be entirely flat," he said.
Main products: various kinds of fasteners, standard, bolts, screws, bolts, screws, wood screws, tapping screws, turning the screw, the combination of screws, nuts, fittings, flat mat, ring, etc.