短語詞組短語Rotary supporting inner ring 廻轉(zhuǎn)支承內(nèi)圈supporting -ring 支承環(huán)self -supporting rock ring 自承巖環(huán)rotary supporting ring 廻轉(zhuǎn)支承環(huán)supporting ring of shield 盾搆支承環(huán)shaft top supporting ring 軸頂卡環(huán)roller with supporting ring 帶托環(huán)爐輥center split supporting ring 半圓支承環(huán) 返回 supporting ring