相关单词臨近詞preventive use, preventive, preventive cylic retransmission, Preventive Maintenance Agreement, preventive cyclic retransmission, preventive and treatmentmeasures, preventive lateral transshipment, Preventive Maintenance Procedure, preventive treatment of diseases, Preventive use of antiibacterials, preventive maintenance mechanical, preventive-maintenance overhaul 返回 preventive strike