B丅日本成人无码|av片主播在线观看|亚洲色图在线直播|无码免费性爱av|人人射人人操人人|激情网五月天欧美视频123|卡通动漫亚洲综合久久|色欲Av无码一级|最新成人av网站|久草AV人与动物

Home / Product and R&D / Vacuum system connecting pipeline

Vacuum brake system pipe

Used in automobile brake booster pipeline has good sealing, connects to the brake booster pump, for work to provide vacuum pump membrane, on the other side and atmosphere are interlinked, using atmospheric pressure driven push rod to move forward, have assisted effect.

Copyright ? Jiangyin Pivot Automotive Co., Ltd.