1. earthenwarering：earthen ware jars ==> 陶器罐,(炻器管)陶管 | earthen ware ring ==> 瓦圈 | earthenware ==> 陶,缸瓦器
2. 瓦圈的意思
2. Rim：Wheel:车轮 | Rim:瓦圈 | Tire:车胎
1. danci.911chaxun.com
1. 本实用新型结构简单，克服了小轮径轮胎上瓦圈的困难。
The utility model has simple structure and overcomes the problem of wheel rim on the tyre with small tyre diameter.