1、Study and Commercial Operation of High-purity Dy Metal
高純金屬鏑的制備工藝研究與工業(yè)實(shí)踐

2、Commercial Operation Experience of P-RC APMP at Yueyang Paper Mill
岳陽(yáng)紙業(yè)P-RC APMP車(chē)間成功開(kāi)機(jī)和生產(chǎn)經(jīng)驗(yàn)

3、Following a period of test operation, the new system is now in commercial operation at the port.
經(jīng)過(guò)一段時(shí)間的試運(yùn)行，新系統(tǒng)目前正在商業(yè)運(yùn)作在港口。

commercial operation翻譯