例句與造句

1. the cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control-current of the proportional value, which used in the engine cooling system, to control the speed of the fan . and the size of the control-current is according to the coolant temperature, coolant temperature change rate and target temperature . as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil
   該系統(tǒng)的特點及其實現(xiàn)的功能為:電液混合驅(qū)動方式改變了工程機械冷卻裝置驅(qū)動方式單一的缺點,發(fā)動機冷卻系統(tǒng)采用了電液比例技術(shù)控制風(fēng)扇轉(zhuǎn)速;單片機可以根據(jù)冷卻液溫度、冷卻液溫度變化率和目標(biāo)冷卻液溫度調(diào)節(jié)液壓驅(qū)動系統(tǒng)中電液比例閥的控制電流,進而控制液壓油的流量,即可以實現(xiàn)冷卻風(fēng)扇轉(zhuǎn)速的連續(xù)調(diào)節(jié);液壓油冷卻系統(tǒng)采用了電動機驅(qū)動,然后由單片機根據(jù)液壓油的溫度控制電動機的起動和停止。
2. It's difficult to find engine cooling systems in a sentence. 用engine cooling systems造句挺難的
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