单词	a pillar of society
释义	a pillar of society 社会中坚
随便看	quick-opening gate valve quick-opening handhole with rotatable cover quick opening level quick-opening level quick opening manhole quick-opening manhole quick opening mechanism quick opening shock valve quick opening sprinkler system device quick-opening structure quick opening valve quick-opening valve quick open valve quick operated valve quickoperating quick operating quick-operating quick operating circuit breaker quick-operating diaphragm pressure filter quick-operating membrane pressure filter quick-operating pressure filter quick-operating quick-release relay quick operating relay quick-operating relay quick-operating slow-release relay