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张某,男,30岁,病历号115601。患者于1980年6月11日上午8时清理纸浆池,该池圆形,直径及池深各3米,存放黑浆水约20吨,将上层黑水抽出后,池内留有一尺深、约3.5吨的黑泥浆,需人工下池将其刮到一水泵下面,以便于抽出。后经防疫站测定池内硫化氢气浓度为1000mg/m~3。患者下地后因胸闷、气短,迅速返回地面,第二人下池后立即昏倒,患者及另外三人相继下池救人,
Zhang, male, 30 years old, medical record number 115601. The patient cleaned up the pulp pond at 8:00 am on June 11, 1980. The pond was 3 meters in diameter, 3 meters in depth, and about 20 tons of black water. After the upper layer of black water was drained, a depth of about 1 foot was left in the pond 3.5 tons of black mud, artificial pool to be scraped under a water pump to facilitate the extraction. After the epidemic prevention station determination of hydrogen sulfide gas concentration 1000mg / m ~ 3. After the patient went to the ground because of chest tightness, shortness of breath, quickly returned to the ground, the second person fainted immediately after the pool, the patient and the other three people have pool to save one after another,