piston ring back clearance
- piston ring back clearance
1) зазор между внутренней поверхностью поршневого кольца и дном канавки поршня
2) зазор между внутренней поверхностью поршневого кольца и дном канавки (в поршне) (рис. 10,11)

Англо-русский словарь по машиностроению.
2014.
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