词汇	jumbo derrick
释义	jumbo derrick 重型吊杆；重吊杆
随便看	community programming community project community properties community property community-property community property principle community-property principle community property states Community Property System community protection community provision for the aged community psychiatric nurse Community Psychiatric Nurse Community Psychiatric Nursing Services community psychiatry Community psychological consultancy Community psychological health community psychology community public goods community public health system community public power community public products community public security community public service community public space