中国精学生妹品射精久久,国产成人盗摄精品a片在线观看,天天躁日日躁AAAAXXXX,邻居漂亮的妻子5在线观看

Tungsten Alloy Tube Jacking

Tungsten alloy tube jacking is to set tube jacking head at the front of the tube, break the soil in front into rheological soil or mud through the tube jacking head, and push the pipe forward through the jack at the back of the tube. Its construction has the advantages of less occupied space and weak influence on the ground, traffic, environment and surrounding underground pipelines. It has been widely used in the construction of drainage tubes.

More product details, please visit:
http://www.tungsten-alloy.com/tungsten-alloy-tube.html

tungsten alloy tube jacking pictureTungsten alloy tube jacking can realize the harmony between the project and the surrounding social environment, improve the efficiency and quality, and save the project cost. Chinatungsten Online is a professional manufacturer and seller of tungsten alloy, we can provide customers with excellent quality, reasonable price of tungsten alloy jacking tube.

Comments are closed.

Address: 3F, No.25-1 WH Rd., Xiamen Software Park Ⅱ, FJ 361008,China Copyright ? 1997 - 2025 CTIA All Rights Reserved
Phone:+86-592-5129696,+86-592-5129595;    Email: sales@chinatungsten.com
舊版