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由煤炭科学研究总院开采所1980年4月提出的《液压支架强度试验的若干规定》(以下简称《若干规定》)和1984年提出的由原煤炭部颁布的《液压支架型式试验规范》(MT86-84)(以下简称《规范》),对液压支架的设计计算,生产制造和使用都
According to “Several Provisions of Hydraulic Support Strength Test” (hereinafter referred to as “Certain Provisions”) proposed by the Institute of Coal Research Mining in April 1980 and the “Hydraulic Support Type Test Specification” promulgated by the former Ministry of Coal Industry in 1984 MT86-84) (hereinafter referred to as “norms”), the design of the hydraulic support calculation, manufacturing and manufacturing are