日韩在线观看视频区一区二,国产精品美女无套久久,国产精品久久久久久久久久了,欧美超碰一区二区三区

2020-05-12

Electrical machinery technology greatly improved

Electrical machinery technology greatly improved
The preparation stage of electrical and mechanical engineering construction requires that the construction personnel must be fully familiar with the design drawings of electrical and mechanical engineering, and promote the construction of electrical and mechanical engineering to the stage of understanding. The general dispatcher of electrical and mechanical engineering construction shall fully consider the skill level and specialty characteristics of electrical and mechanical construction personnel, adjust the proportion of technicians and general workers, and complete the distribution of work.

Learn more

2020-05-09

Composition of cable machine equipment

Composition of cable machine equipment
The structure of the winding cage is roughly similar to that of the winding machine, and there is a wire reel frame on which the insulating core reel is placed. Various types of cable machines have different numbers of wire trays. Large cable machines generally have 3 or 6 wire trays, while small cable machines can have 18 or 24 or even more wire trays.

Learn more

2020-05-09

Wire and cable process

Wire and cable process
Wire and cable equipment in order to reduce the occupation area of the wire, reduce the geometric size of the cable, stranded the conductor at the same time using a tight form, so that the ordinary circular variation for semicircle, sector, tile and tight pressure round. Such conductors are mainly used in power cables.

Learn more

莱阳市| 扶风县| 上虞市| 宜黄县| 祥云县| 海口市| 太和县| 苍溪县| 长汀县| 万年县| 如东县| 卢湾区| 大冶市| 北票市| 宜都市| 温州市| 许昌市| 临邑县| 佛冈县| 霸州市| 故城县| 汝州市| 都兰县| 鸡泽县| 左权县| 南部县| 广德县| 明星| 庄浪县| 同心县| 浦县| 广南县| 马山县| 青州市| 班戈县| 马边| 栾城县| 上林县| 融水| 兴安盟| 五河县|