单词	轴管层孔虫属〔o〕
释义	轴管层孔虫属〔O〕Beatricia
随便看	operation rule operation rules of equipment operations operations-- administration-- and management operations administration & maintenance operations administration & maintenance--oa&m operations administration & maintenance，oa&m operation safety assessment and review team operations analyses operations analyses {research operations analyses {research-- evaluation} operations analyses {research; evaluation} operations analysis operations analysis，operation research operations and administration operations and equipment manual operations and maintenance operations area operationsbasis operations branch operations bridge operations center operations centre operation scheduling operations concurrency