This paper introduced a combined supporting technology, including first supporting, high-strength bolt-net-cable supporting, second supporting, long ring support and grouting behind support.
介绍了该矿采用的高强锚网索一次支护、长环形支架二次支护以及壁后注浆的联合支护技术。
To introduce technology requirement of galvanized steel wire for HYAC (self-supporting communication cable). Production process of galvanized steel wire for HYAC is explained.
介绍自承式电缆用镀锌钢丝的技术要求，说明自承式电缆用镀锌钢丝的一般生产工艺。
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