1·He suggested a method economical and practical.
他提出了一个经济而实用的方法。
2·The system structure is simple, economical and practical.
系统结构简单，经济实用。
3·Economical and practical wooden toys Bring your children great pleasure.
木制玩具，经济实用，给您的孩子带来欢乐。
4·Economical and practical housing has been built since 1998 in Zhuzhou City.
株洲市从1998年起开始建设经济适用住房。
5·Tableware made of stainless steel is economical and practical and ADDS luster to your table.
不锈钢餐具，经济实惠，为您的餐桌增添光彩。
6·This model of typewriter is efficient and durable, economical and practical for middle school students.
这个型号的打字机对中学生来说，高效、耐用、经济、实惠。
7·Magnesium-carbon-calcium fireproof brick is a kind of economical and practical ladle liner material.
镁钙碳砖是一种经济又实用的包衬材料。
8·This model of typewriter is efficient and endurable, economical and practical for middle school students.
我方这种型号的打字机性能高，耐用，经济，实用，适用于中学生。
9·This paper describes a new kind of economical and practical supply oxygen device synchronized with breath.
呼吸同步供氧仪是一种新型、节能又经济实用的呼吸同步供氧装置。
10·Investigation method is commonly used in physical education research, because it's economical and practical.
调查法是体育科研中常见的一种科研方法，它具有经济性、实效性等特点。