日本少妇高潮喷水XXXXXXX_GOGO亚洲肉体艺术欣赏图片_丰满人妻一区二区三区免费视频_久久久久无码精品国产不卡

QSLP智能型電(dian)(dian)子式電(dian)(dian)動(dong)單(dan)座(zuo)(zuo)調(diao)節閥(fa)由PS系(xi)(xi)列和3810系(xi)(xi)列直(zhi)行(xing)(xing)(xing)程電(dian)(dian)動(dong)執行(xing)(xing)(xing)機構(gou)和低流阻直(zhi)通單(dan)座(zuo)(zuo)閥(fa)組成(cheng)。（也可配其它(ta)品牌(pai)直(zhi)行(xing)(xing)(xing)程執行(xing)(xing)(xing)機構(gou)）。電(dian)(dian)動(dong)執行(xing)(xing)(xing)機構(gou)為電(dian)(dian)子式一體化結構(gou)，內有(you)伺服放(fang)大器,輸入控制(zhi)信號（4-20mADC或1-5VDC）及電(dian)(dian)源即可控制(zhi)閥(fa)門開度,達到(dao)對壓(ya)力、流量(liang)、液位(wei)、溫度等工參數的調(diao)節。電(dian)(dian)動(dong)單(dan)座(zuo)(zuo)調(diao)節閥(fa)具有(you)動(dong)作靈敏、連線簡單(dan)、流量(liang)大、體積小、調(diao)節精度高等特點(dian)。電(dian)(dian)動(dong)單(dan)座(zuo)(zuo)調(diao)節閥(fa)控制(zhi)精度和性能比D