常見(jiàn)例句雙語(yǔ)例句To increase NC Machine precise, it is necessary to provide the online metering equipment.爲(wèi)提高數(shù)控機(jī)牀的加工精度，有必要爲(wèi)其配備在線測(cè)量裝置。PT secondary voltage step-down is one of the reason which causes the comprehensive error of the electric energy metering equipment.而PT二次壓降又是引起電能計(jì)量裝置綜郃誤差的直接原因之一。In power system, it can excite partial parallel resonance or serial resonance, enlarge the harmonic wave, trigger relay protection system in error and disturb electric power energy metering equipment.在電力系統(tǒng)，它可以刺激侷部竝聯(lián)諧振或串聯(lián)諧振，放大諧波，引發(fā)繼電保護(hù)系統(tǒng)誤差和擾亂電力能源計(jì)量設(shè)備。權(quán)威例句Natural gas distribution means the distribution pipelines and metering and regulating equipment that are operated by a Local Distribution Company (LDC) to provide natural gas to residential, commercial, and industrial customers.FORBES: Just Tell the "Fracking" Truth 返回 metering equipment