The standard API RP 5L3 for DWTT is introduced and compared with GB/T8363-1987. Then a discussion is given on the test apparatus required.是什么意思_The standard API RP 5L3 for DWTT is introduced and compared with GB/T8363-1987. Then a discussion is given on the test apparatus required.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句