And has the high strength plastic, the middle steel wiresupport hot forming, arbitrary bending deformation characteristics.
内外有高强度塑料，中间有钢丝支撑热压成形，任意弯曲不变形等特点。
2
According to the support result of bolting with wiresupport and resin anchor used in heading along goaf provide a reference for the tunnel design and support.
It is provided with easily replaceable wiresupport members or protective caps to enhance convertibility from a single phase delivery configuration to a three phase delivery configuration.