常見例句雙語例句This conclusion breaks the knowledge of single constant used at home and has certain practical significance for saving the cost…打破了國內(nèi)一直沿用單一常數(shù)的認識，對節(jié)約管網(wǎng)投資有一定的實際意義。This conclusion breaks the knowledge of single constant used at home and has certain practical significance for saving the cost of network line.打破了國內(nèi)一直沿用單一常數(shù)的認識，對節(jié)約管網(wǎng)投資有一定的實際意義。 返回 constant cost saving