欧美性爱视频做做_伊人亚洲欧美_亚洲福利大全不卡_天天影视色香欲综合网址_学生和老师做爰bd_波多野结衣一区二区三区四_欧美中文不卡www_亚洲中文子幕乱码电影_毛片免费观看视频大全_久艹伊人精品综合在线

KXD型電磁閥    本閥為二通常閉式交、直流電磁閥，通常用作水、氣控制，接受電信號閥門打開，斷電后閥門關(guān)閉。該閥特點(diǎn)：閥芯套管沖壓、拉伸成形，嚴(yán)密性好，動(dòng)作靈敏、壽命長，運(yùn)行可靠。使用條件介質(zhì)不腐蝕的氣、水，介質(zhì)溫度《60℃，相對溫度不超過85％的場所。
KXXD  pulse valve: it’s a two-way  close and open exchanged and direct current valve. Commonly  control water and gas. Valve open when put through power while closed when cut. Features as  trim casing punch, stretch forming, good seal, move sensitively, realible operation.. Medium: non-corrosion WOG lower than 60℃， relative temperature lower than 85%.