重疊操作overlapropellers: 迭葉螺旋槳; 疊葉螺旋槳overlaproce ing: 并行處理overlaprotection block section: 保護區(qū)段overlappingtime: 重疊時間overlaps: 重疊部分; 重耍下載手機詞典可隨時隨地查詞查翻譯