the cost of assets investment的用法和樣例：
例句
- After this technology is mature,if fracturing material is made domestically,investment cost will be decreased.
如果該技術(shù)成熟后壓裂材料實(shí)現國產(chǎn)化，可縮短投資費用。 - It improves digester cost operation and reduces capital cost wherever sludge digestion is utilized.
當采用污泥消化時(shí)，它可改進(jìn)消化器的運行并降低其基建投資費用。
