piston head แปลว่า
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The piston can be divided into 3 parts: piston bolt assembly, piston head and Piston Skirt.
Back at you, piston head.
Deep Ball type piston head with having graphite coating on the skirt portion for low friction and seizure resistance to increase the durability.
The head of element piston meets on the pressure ring, then moving the pump element at the direction of vertical position (See Drawing B). Until the piston head runs in the guide line of groove.
The piston head is processed with a plurality of grooves which are arranged on the Piston Ring, and the number of the piston rings is determined by the requirements of the seal, which is related to the rotation speed of the engine and the cylinder pressure.
