单词	ring tread system
释义	ring tread system n.环状胎面翻胎法
随便看	entertainment deductions entertainment desert entertainment district entertainment-driven entertainment duty entertainment economy entertainment-economy Entertainment Education entertainment empire entertainment business entertainment cabaret tax entertainment car entertainment center Entertainment Center for Aged Resident entertainment centers entertainment centre entertainment charges entertainment column entertainment computer entertainment on the expense account entertainment on the expense accout entertainment equipment Entertainment establishment Entertainment establishments entertainment expenditure