国产精品视频久久久-国产精品视频久久久久-国产精品视频免费-国产精品视频免费播放-国产精品视频免费观看-国产精品视频免费赠送

Top Contact WeChat QR code Bottom

Scan QR code

Contact us

Tengda Hebei Electric Power Equipment Manufacture Co., Ltd.

1/3

NEWS

Feedback Network Contact us

Position:Home>News>News

Details/ Welcome to our website

How to measure the length of the transverse load

Time:2015-8-15 15:58:14  From:Tengda electric power equipment

Galvanized cross arm bolt length measurement method has been has been paid more and more attention, the following power fittings manufacturer for everyone to talk about:

To Phi 190 as an example, such as the 2m down from the top of the pole position, is 13.3 x 2 + 190 + 12 + 10=238.6cm. Add length: 16 mm diameter nut + over 30 mm, 20 mm and 40 mm diameter, single head bolt two female two pads, stud four mother pad two.

Check the crossarm hat no rust, no trachoma, in accordance with the design specifications, no missing parts, cotter pin nut;

No personnel injuries;

45 DEG below angle is usually installed a pair of cross arm, the cross arm insulator string hemlines crossarm minimum 5cm, below 15 DEG to turn straight generally do not open the merchandise.

For more information, please continue to pay attention to our website: m.th666.cn, keywords: strainclamp, electric power fittings manufacturers 

Pre:What are the scope of use of electric power
Next:What are the requirements for the quality and

主站蜘蛛池模板: 亚洲成a人片77777国产 | 亚洲精品天堂成人片av在线播放 | 无码中字av福利 | 成人试看120秒体验区 | 亚洲av无码国产精品麻 | 丰满人妻熟妇乱又伦精品视 | 久久99久久精品久久久久久 | 色婷婷六月亚洲6月中文字幕 | 国产韩国精品一区二区三区久久 | 国产亚洲第一午夜福利合集 | 99久久久无码国产精品6 | www.亚洲| 精品久久久久无码专区 | 午夜成人理论无码电影在线播 | 91久热欧美极品第一页 | 成人91| 精品久久久久无码专区 | 3d动漫精品啪啪一区二区免费 | 999午夜福利国产在线观看 | 亚洲成a∨人片在线观 | 麻豆产精国品一二三产区区 | 爱豆传媒高清电影手机在线播放 | 久草超碰一区二区在线 | 熟女精品视频一区二区三区 | 午夜男女xx00视频福利免费 | 亚洲美女高潮视频免费 | 色色精品久久久久 | 国产欧美a∨一区二区 | 91免费无码国产在线观看 | 亚洲欧美激情在线一区 | 亚洲日韩欧洲无码v夜夜摸 亚洲日韩手机在线专区 | 日韩精品一区二区最新 | 国产对白普 | 亚洲国产精品高清在线第1页 | 九九热在线视频观看 | 国产一区一二区高清不卡 | 国内揄拍高清国内精品对白 | 国产精品亚洲av高清二区 | 国产亚洲第一页电影 | 精品蜜臀国产aⅴ一区二区三区 | 午夜成人在线免费 |