1)preoperational,運(yùn)行前的2)preoperative,操作前的，運(yùn)行前的3)preoperational test,運(yùn)行前的試驗(yàn)，運(yùn)行前試驗(yàn)4)prophase operation,前期運(yùn)行5)Commissioning PG,(試運(yùn)行前的)開(kāi)通調(diào)測(cè)6)The act or state of preceding;precedence.,先行向前運(yùn)動(dòng)的行為或狀態(tài);先行
用法和例句
,presented its loading and sulfurization and summarizes the experiences of its prophase operation.
