buguanshixianshengjiangpingtaihaishishengjiangji，wulunshidianqudonghaishiyeyaqudongde，yitaiwanzhengdeshebeidangzhongyeyaxitongshizuizhongyaode
，yeyaxitongshishengjiangpingtaidangzhongdezuizhongyaodedongliyuanquan，baozhengzhengtaishebeidegongzuoxingneng


，suiranzaishebeidangzhongdeyunyongjiaoweipubian。

jingchangtingdaoxianshengjiangjidedanxiangjieliufa
，tayaoshizaiyeyaxitongzhonghuiqidaoshenmeyangdezuoyongne？danxiangjieliufarangxiajiangshiyekongdanxiangfafanxiangchuyouqiangyouliubeiyabijiaogao，daozhijiesuodezuixiaokongzhiyalidedaodadatigao，weilekefuzheyiyingxiang，xuanyongwaixieshiyekongdanxiangfa。

再(zai)後(hou)來(lai)的(de)實(shi)踐(jian)證(zheng)明(ming)當(dang)中(zhong)節(jie)省(sheng)控(kong)製(zhi)係(xi)統(tong)的(de)功(gong)率(lv)和(he)減(jian)少(shao)液(ye)壓(ya)衝(chong)擊(ji)都(dou)是(shi)比(bi)較(jiao)有(you)利(li)的(de)。平(ping)台(tai)在(zai)下(xia)降(jiang)的(de)時(shi)候(hou)液(ye)壓(ya)油(you)缸(gang)承(cheng)受(shou)著(zhe)載(zai)重(zhong)，液(ye)壓(ya)油(you)回(hui)流(liu)到(dao)油(you)缸(gang)，設(she)備(bei)會(hui)跟(gen)著(zhe)油(you)缸(gang)緩(huan)慢(man)下(xia)降(jiang)。

西(xi)安(an)升(sheng)降(jiang)機(ji)在(zai)下(xia)降(jiang)開(kai)始(shi)的(de)一(yi)瞬(shun)間(jian)可(ke)以(yi)及(ji)時(shi)打(da)開(kai)液(ye)控(kong)單(dan)向(xiang)閥(fa)，實(shi)現(xian)對(dui)油(you)流(liu)反(fan)向(xiang)並(bing)且(qie)避(bi)免(mian)衝(chong)擊(ji)，從(cong)而(er)在(zai)電(dian)磁(ci)閥(fa)在(zai)通(tong)電(dian)時(shi)，可(ke)以(yi)控(kong)製(zhi)回(hui)路(lu)能(neng)夠(gou)迅(xun)速(su)減(jian)壓(ya)，所(suo)以(yi)特(te)別(bie)在(zai)控(kong)製(zhi)回(hui)路(lu)的(de)回(hui)油(you)處(chu)裝(zhuang)置(zhi)一(yi)個(ge)單(dan)向(xiang)閥(fa)來(lai)避(bi)免(mian)工(gong)作(zuo)過(guo)程(cheng)中(zhong)管(guan)路(lu)出(chu)現(xian)失(shi)壓(ya)現(xian)象(xiang)。