汽缸法兰紧固螺栓
fastening bolts of casing flanges
缸盖紧固螺栓
cylinder head retaining bolt
缸盖螺栓紧固顺序
head bolt tightening procedure
高温紧固螺栓
high temperature tightening bolt
紧固螺栓
fastening bolt
fastening bolt， binding bolt
cap bolt
fox bolt
clamp bolt
holding bolt
binding bolt
clamping bolt
fixed bolt
螺栓紧固平行砂轮
bolt fastened parallel wheel
合成蒸汽汽缸油
synthetic steam cylinder oil