running expense

基本解釋

On the other hand, the technique has the characteristic of small investment and running expense, easy manipulation.
另一方面具有污水處理投資少，運行費用低，占地少，操作簡便等特點；
The authors presented principle, process, operation, applied range and running expense of a bioslurry reactor, with an emphasis on the intensifying method.
總結了生物泥漿反應器這種高效生物修復技術的原理，工藝流程、運行方式、應用范圍和運行費用，并重點介紹了其強化手段。
Environmental impact and running expense of minitype gas-fired boiler and oil-fired boiler are compared and analyzed in this paper from the environmental economy angle.
從環(huán)境經(jīng)濟學的角度，對一般常用的小型燃煤鍋爐與燃油（氣）鍋爐的環(huán)境影響及運行費用進行了比較分析。

And in making these calculations, Mr Malkiel plays fair: he deducts the typical running expense (one-fifth of 1%) charged by an index fund.
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