词汇	lock operation
释义	lock operation 船闸运营
随便看	planned distribution of materials Planned District Craft planned downtime planned down time planned drawback index planned ecno-my planned economics planned economic system planned economies planned economy planned-economy planned economy and market mechanism planned economy country planned economy system planned educational change planned emergency exposure planned enrollment Planned Event Discrepancy Notification planned expenditure planned expressway network planned family size planned feedback planned fertility planned figure planned figures