阀挺杆导承 valve lifter guide ; valve tappet guide
活塞杆导承 piston rod guide
阀杆导承 [机] valve rod guide ; [机] valve spindle guide ; valve guide
海塞杆导承 piston rod guide
膨胀杆导承 expansion link guide
挺杆导承 tappet guide
踏板推杆导承 pedalpushrodguide
活寒杆后导承 tail-rodguide
导螺杆轴承 leadingscrewsupport ; leading screw bearing
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