国内精品自线一区二区三区视频,开心五月六月婷婷综合啪啪,国产亚洲欧美日韩在线一区,欧美一区二区激情,国产午夜精品美女视频露脸网站,黄色免费一级在线毛片

Material: Brass

Features: One end is connected to a metal hose, and theother end is connected to a box or device by thread. Thefitting can be swivel flexibly.High temperature resistance, corrosion resistance,impact resistance and so on.