改装资质真的很难拿到。
油改气最火热时，有改装资质的各大维修厂都需要提前预约。[{'character': '油', 'pinyin': 'iou2', 'highest pitch': 10.88, 'lowest pitch': 8.36, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '改', 'pinyin': 'gai3', 'highest pitch': 10.26, 'lowest pitch': 6.1, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '气', 'pinyin': 'qi4', 'highest pitch': 9.54, 'lowest pitch': 6.1, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '最', 'pinyin': 'zuei4', 'highest pitch': 11.19, 'lowest pitch': 9.57, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '火', 'pinyin': 'huo3', 'highest pitch': 9.57, 'lowest pitch': 5.17, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '热', 'pinyin': 're4', 'highest pitch': 10.58, 'lowest pitch': 5.94, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 8.07, 'lowest pitch': 6.15, 'duration': 0.32, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.34}, {'character': '有', 'pinyin': 'iou2', 'highest pitch': 10.88, 'lowest pitch': 9.23, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '改', 'pinyin': 'gai3', 'highest pitch': 10.26, 'lowest pitch': 6.69, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '装', 'pinyin': 'zhuang1', 'highest pitch': 10.81, 'lowest pitch': 6.69, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '资', 'pinyin': 'zii1', 'highest pitch': 10.44, 'lowest pitch': 9.49, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '质', 'pinyin': 'zhiii4', 'highest pitch': 10.25, 'lowest pitch': 8.63, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.67, 'lowest pitch': 7.65, 'duration': 0.19, 'prosody hierarchy': '#2'}, {'character': '各', 'pinyin': 'ge4', 'highest pitch': 9.59, 'lowest pitch': 8.03, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 8.87, 'lowest pitch': 6.83, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '维', 'pinyin': 'uei2', 'highest pitch': 8.14, 'lowest pitch': 6.59, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '修', 'pinyin': 'xiou1', 'highest pitch': 9.58, 'lowest pitch': 8.14, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '厂', 'pinyin': 'chang3', 'highest pitch': 6.02, 'lowest pitch': 5.29, 'duration': 0.35, 'prosody hierarchy': '#2'}, {'character': '都', 'pinyin': 'dou1', 'highest pitch': 8.46, 'lowest pitch': 7.9, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '需', 'pinyin': 'xv1', 'highest pitch': 8.36, 'lowest pitch': 8.12, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 8.36, 'lowest pitch': 6.48, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '提', 'pinyin': 'ti2', 'highest pitch': 9.38, 'lowest pitch': 8.25, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '前', 'pinyin': 'qian2', 'highest pitch': 9.38, 'lowest pitch': 6.35, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '预', 'pinyin': 'v4', 'highest pitch': 8.55, 'lowest pitch': 6.63, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '约', 'pinyin': 've1', 'highest pitch': 9.17, 'lowest pitch': 6.63, 'duration': 0.32, 'prosody hierarchy': '#4'}]