活塞環

huoˊ sai ˉ huanˊ

(Piston) Piston ring | Piston rings

活塞 huoˊ saiˉ

(Piston) Piston , Pistons

huanˊ

Loop, Ring, Encircle, Surround, Bracelet

Active

Alive

Energetic

Exist

Flexible

Flowing

Live

Lively

Loose

Mobile

Movable

Survive

Vocation

Work

Block

Cork

Fortress

Frontier

Perform

Seal

Bracelet

Encircle

Loop

Ring

Surround

活塞

Piston

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