我们需要采取一些措施来确保矿井安全。
存在淹井隐患的矿井，暴雨期间一律严禁井下作业。[{'character': '存', 'pinyin': 'cuen2', 'highest pitch': 9.01, 'lowest pitch': 8.04, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 10.25, 'lowest pitch': 8.68, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '淹', 'pinyin': 'ian1', 'highest pitch': 11.1, 'lowest pitch': 8.77, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '井', 'pinyin': 'jing2', 'highest pitch': 9.58, 'lowest pitch': 6.92, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '隐', 'pinyin': 'in3', 'highest pitch': 8.9, 'lowest pitch': 5.6, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '患', 'pinyin': 'huan4', 'highest pitch': 9.43, 'lowest pitch': 6.6, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.42, 'lowest pitch': 7.14, 'duration': 0.08, 'prosody hierarchy': '#1'}, {'character': '矿', 'pinyin': 'kuang4', 'highest pitch': 14.5, 'lowest pitch': 7.42, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '井', 'pinyin': 'jing3', 'highest pitch': 7.64, 'lowest pitch': 4.66, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.23}, {'character': '暴', 'pinyin': 'bao4', 'highest pitch': 11.21, 'lowest pitch': 8.95, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '雨', 'pinyin': 'v3', 'highest pitch': 8.95, 'lowest pitch': 5.9, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '期', 'pinyin': 'qi1', 'highest pitch': 8.93, 'lowest pitch': 5.9, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '间', 'pinyin': 'jian1', 'highest pitch': 9.19, 'lowest pitch': 8.33, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 8.46, 'lowest pitch': 7.32, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '律', 'pinyin': 'lv4', 'highest pitch': 9.53, 'lowest pitch': 7.58, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '严', 'pinyin': 'ian2', 'highest pitch': 9.09, 'lowest pitch': 6.75, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '禁', 'pinyin': 'jin4', 'highest pitch': 10.75, 'lowest pitch': 7.64, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '井', 'pinyin': 'jing3', 'highest pitch': 7.64, 'lowest pitch': 5.41, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 8.85, 'lowest pitch': 5.54, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '作', 'pinyin': 'zuo4', 'highest pitch': 8.94, 'lowest pitch': 6.95, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 9.68, 'lowest pitch': 6.93, 'duration': 0.26, 'prosody hierarchy': '#4'}]