exhaust manifold bolt thread
inlet manifold bolt hole
exhaust manifold retaining bolt
stable manifold and unstable manifold
effective diameter of bolt or high-strength bolt
Fastening Bolt, Binding Bolt
reamer bolt [= rimer bolt]
taper bolt [= tapered bolt]
accumulator air-charging manifold
蓄压器充气阀箱压缩空气瓶充气阀箱
压缩空气瓶充气阀箱