| | | | | | | | | | | | | | | | | | | | | 4 4 | 4 | | 1 | | | | | | 20 | | | 1000 | 10000 | | 100 | 1000 | | 20 | | | 4 | | | T/CHES 18 — 2018 | 800mm | | 1000m3 60L/( d) | 35L/( d) | | 800mm | 1000m3 | 40L/( d) | 20L/( d) | | | | GB5749— 2006 | | GB5749 | | | | | | | | | | | | | | | | GB5749 | | | | | 10min | 400m | 40m | 20min | 800m | 80m | | | | | 95% 90% | 95% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |