你确定这样是安全的吗？
在用钢筋把门插上后，张某随即拧开了煤气罐阀门。[{'character': '在', 'pinyin': 'zai4', 'highest pitch': 10.24, 'lowest pitch': 9.15, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.3, 'lowest pitch': 7.99, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '钢', 'pinyin': 'gang1', 'highest pitch': 10.3, 'lowest pitch': 7.99, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '筋', 'pinyin': 'jin1', 'highest pitch': 10.37, 'lowest pitch': 9.69, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '把', 'pinyin': 'ba3', 'highest pitch': 7.01, 'lowest pitch': 5.78, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '门', 'pinyin': 'men2', 'highest pitch': 8.61, 'lowest pitch': 5.54, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '插', 'pinyin': 'cha1', 'highest pitch': 10.69, 'lowest pitch': 7.05, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 10.76, 'lowest pitch': 6.92, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '后', 'pinyin': 'hou4', 'highest pitch': 13.82, 'lowest pitch': 6.83, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.32}, {'character': '张', 'pinyin': 'zhang1', 'highest pitch': 9.19, 'lowest pitch': 8.31, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '某', 'pinyin': 'mou3', 'highest pitch': 8.32, 'lowest pitch': 4.93, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '随', 'pinyin': 'suei2', 'highest pitch': 8.21, 'lowest pitch': 5.7, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '即', 'pinyin': 'ji2', 'highest pitch': 8.11, 'lowest pitch': 7.52, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '拧', 'pinyin': 'ning3', 'highest pitch': 8.45, 'lowest pitch': 4.35, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '开', 'pinyin': 'kai1', 'highest pitch': 7.83, 'lowest pitch': 4.58, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 7.67, 'lowest pitch': 7.12, 'duration': 0.15, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '煤', 'pinyin': 'mei2', 'highest pitch': 8.97, 'lowest pitch': 6.64, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '气', 'pinyin': 'qi4', 'highest pitch': 10.0, 'lowest pitch': 8.97, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '罐', 'pinyin': 'guan4', 'highest pitch': 9.24, 'lowest pitch': 6.48, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '阀', 'pinyin': 'fa2', 'highest pitch': 8.11, 'lowest pitch': 5.83, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '门', 'pinyin': 'men2', 'highest pitch': 8.61, 'lowest pitch': 5.72, 'duration': 0.32, 'prosody hierarchy': '#4'}]