单词	维护保全
释义	维护保全maintenance safeguard
随便看	giant bamboo giant bamboo-- dendrocalamus giganteus munro giant bamboo; dendrocalamus giganteus munro giant black marlin giant black marlin-- white marlin giant black marlin; white marlin giant blank hole giant branch giant cactus giant cane giant cedar giant cell giant-cell giant cell angioblastoma giant cell arteritis giant-cell arteritis giant cell carcinoma giant-celled cancer giant-celled fibrosarcoma giant-celled fibrosarcoma-- giant-cell tumor giant-celled fibrosarcoma; giant-cell tumor giant cell epulis giant-cell fibroblastoma of soft tissue giant cell--(langhans' type) giant cell lichenoid dermatitis