be of practical use
有實際效用；有應用價值
例句
1.
If there"s any way in which we can be of practical use, please let us know.
如果我們能提供點什麼實際幫助的話，請告訴我們。
2.
The main requirements of a hydraulic pump capable of delivering sufficiently great a pressure to be of practical use, are: a.
對一臺可以傳送足夠大壓力以供實際使用的液壓泵能力的主要要求是：a控制流體洩漏的措施。
3.
The comprehensive use of multi-method of examination and evaluation should be noticed when we check the practical course of "Two Courses" .
在“兩課”實踐課程考評中，要注意多種考評方式的綜合運用。
4.
sport psychology students hands-on teaching should be practical abilities such as starting the use of appropriate teaching methods.
體育心理學教學應從培養學生動手操作等實踐能力出發採用適當的教學方法。
5.
Desk and display should be simple and practical, the use of fire Desk plate wood veneer sheets and decorated with lines of metal or wood.
服務檯與陳列櫃應簡潔實用，服務檯可選用防火板式木板材貼面，並飾以金屬或木製線條。
be of practical use
有實際效用；有應用價值
例句
1.
If there"s any way in which we can be of practical use, please let us know.
如果我們能提供點什麼實際幫助的話，請告訴我們。
2.
The main requirements of a hydraulic pump capable of delivering sufficiently great a pressure to be of practical use, are: a.
對一臺可以傳送足夠大壓力以供實際使用的液壓泵能力的主要要求是：a控制流體洩漏的措施。
3.
The comprehensive use of multi-method of examination and evaluation should be noticed when we check the practical course of "Two Courses" .
在“兩課”實踐課程考評中，要注意多種考評方式的綜合運用。
4.
sport psychology students hands-on teaching should be practical abilities such as starting the use of appropriate teaching methods.
體育心理學教學應從培養學生動手操作等實踐能力出發採用適當的教學方法。
5.
Desk and display should be simple and practical, the use of fire Desk plate wood veneer sheets and decorated with lines of metal or wood.
服務檯與陳列櫃應簡潔實用，服務檯可選用防火板式木板材貼面，並飾以金屬或木製線條。