译：GB/T 2951.8-1997 Common test methods for insulating and sheathing materials of electric cables Part 4:Methods specific to polyethylene and polypropylene compounds—Section one:Resistance to environmental stress cracking—Wrapping test after thermal ageing in air—Measurement of the melt flow index—Carbon black and/or mineral filler content measurement in PE

译：GB/T 2951.7-1997 Common test methods for insulating and sheathing materials of electric cables Part 3:Methods specific to PVC compounds Swction two:Loss of mass test—Thermal stability test

译：GB/T 3956-1997 Conductors of insulated cables

译：MT/T 647-1997 Equipment ON/OFF transducer for coal mining

译：GB/T 2951.3-1997 Common test methods for insulating and sheathing materials of electric cables—Part 1:Methods for general application—Section three:Methods for determining the density—Water absorption tests—Shrinkage test

译：GB/T 2951.9-1997 Common test methods for insulating and sheathing materials of electric cables Part 4:Methods specific to polyethylene and polypropylene compounds Section two:Elongation at break after pre-conditioning—Wraping test after pre-conditioning—Wrapping test after thermal ageing in air—Measurement of mass increase Long-term stability test(Appendix A) Test method for copper catalysed oxidative degradation(Appendix B)

译：GB/T 2951.1-1997 Common test methods for insulating and sheathing materials of electric cables—Part 1:Methods for general application—Section one:Measurement of thickness and overall dimensions—Tests for determining the mechanical properties

译：GB/T 2951.2-1997 Common test methods for insulating and sheathing materials of electric cables—Part 1:Methods for general application—Section two:Thermal ageing methods

译：GB/T 2951.4-1997 Common test methods for insulating and sheathing materials of electric cables—Part 1:Methods for general application—Section four:Test at low temperature

译：GB/T 2951.6-1997 Common test methods for insulating and sheathing materials of electric cables Part 3:Methods specific to PVC compounds Section one:Pressure test at high temperature—Test for resistance to cracking