Concrete Ring Wall

ring wall foundation

ring-wall

ring curtain wall and dewatering

ring-ring-section

the Western Ring Road Sector of Central Ring Road

precast outside wall and cast-in-place inside wall

shear wall structure supported on frame-shear wall

shear wall supported on frame-shear wall structure

(piston) ring

(semi-)prime ring

(stong) regular ring

0-ring

1 550 nm fiber-optic ring network

10 kV ring

10 kV ring main unit

10-membered ring hydrogen bond

13-membered ring hydrogen bond

14-membered ring