Doing wdll the management of equiPment in Period of investment and making good technical-economic proof are the important components of the management of equipment in its whole procedure.是什么意思_Doing wdll the management of equiPment in Period of investment and making good technical-economic proof are the important components of the management of equipment in its whole procedure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句