在: exist; be living运动场: athletic field; sports groun ...警告: warn; caution; admonish轨道: track; pathway; rail; runway ...区域: area; beat; reach; domain; p ...的: 4次方是 The fourth power of 2 i ...建设: build; construct; reconstruc ...和: mix; blend维护: safeguard; defend; uphold; k ...指南: fingerpost; guide; vade mecu ...寒冷季节运动场上的草皮维护指南: standard guide for maintaining cool season turfgrasses on athletic fields维护指南: maintenance guideline草地网球场地的结构和维护指南: standard guide for construction and maintenance of grass tennis courts软件维护指南: guideline on software maintenance管道铺设和维护: pipeline construction and maintenance改变轨道区域: track region change公路建设和维修: road construction and maintenance运动场的高效砂基根带的建造的标准指南: standard guide for construction of high performance sand-based rootzones for sports fields建筑物的建造和维护: building construction and maintenance摩托运动场馆安全指南: guide for safety of motorsports venues田径场暖季草皮草维护指南: standard guide for maintaining warm season turfgrasses on athletic fields隧道区；隧道区域: tunnel area维护指示灯: sri service reminder indicator区域的: areal; domestic; postscribed id; regional; territorial运动场: athletic field; athletic ground; athletics ground; exercise yard; farmyard; forum; game court; gymkhana; paddock; park; playgrounds; playing field; schoolyard; sport field; sport ground; sports ground; stadium
