tappet body 液力挺柱体 ; 挺柱体
Cam shaft and tappet body are important parts of engine, their status will influence directly whether or not the engine could make normal operation.
凸轮轴和挺杆体是发动机的重要零件，它们的状况直接影响着发动机能否正常工作。
The utility model discloses a combined hard alloy tappet which includes a tappet body whose one end surface is provided with a concave platform inside which is connected with a hard alloy slice.
本实用新型公开了一种组合式硬质合金挺柱，包括挺柱本体，在所 述的挺柱本体的一端面设有凹台，在所述的凹台内连接有硬质合金片。
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