例句與造句

1. Due to the low mechanical efficiency and long circulating period of the down - charging system of cold bed in bar production line , this paper puts forward the improving project , which adopts ethernet supplemented by dp network , applies the fm350 - 2 advanced counter and suitable maths model and combines the technique of the transducer and hydraulic pressure drive control to realize auto - control
   摘要針對棒材生產(chǎn)線上冷床下卸鋼系統(tǒng)機械效率低、運行周期長，不能適應(yīng)快節(jié)奏生產(chǎn)的現(xiàn)狀，采用以工業(yè)以太網(wǎng)為主、 dp網(wǎng)為輔的網(wǎng)絡(luò)通訊，應(yīng)用西門子fm350 - 2高速計數(shù)器，通過有效的數(shù)學(xué)計算模型，結(jié)合變頻器和液壓傳動控制技術(shù)，實現(xiàn)網(wǎng)絡(luò)自動化控制。
2. It's difficult to find circulating period in a sentence. 用circulating period造句挺難的