The starting air system usually has （） to prevent starting if anything is not in order. A: drain cocks B: vent valves C: counteracts D: interlock
The starting air system usually has （） to prevent starting if anything is not in order. A: drain cocks B: vent valves C: counteracts D: interlock
Their legal system _______our own. 未知类型：{'label': 'questionDesc', 'content': '根据句意，选择合适的单词或短语', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '英语二2012年完型', 'isMemberControl': 0, 'type': 181} A: gains B: counteracts C: parallels D: employs
Their legal system _______our own. 未知类型：{'label': 'questionDesc', 'content': '根据句意，选择合适的单词或短语', 'isMemberControl': 0, 'type': 181} 未知类型：{'label': 'source', 'content': '英语二2012年完型', 'isMemberControl': 0, 'type': 181} A: gains B: counteracts C: parallels D: employs
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