2) pay a high price (for)
付出很高代价
3) at the expense of
以……为代价
5) replacement of low quality materials by high quality materials
以高代低
1.
In the course of designing and manufacturing chemical equipments and pressure pipelines,we can not take it for granted that the replacement of materials is just the replacement of low quality materials by high quality materials,the replacement of inferior materials by superior materials and the replacement of thin materials by thick materials.
在化工设备及压力管道的制造过程中,有关材料代用的问题不可简单的认为是以高代低、以优代劣、以厚代薄等,而应结合具体情况综合各方面因素合理运用,才能保证相关压力容器或压力管道的安全运行。
6) at the cost of
以之为代价
补充资料：付出
交出（款项、代价等）：～现款 ㄧ～辛勤的劳动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条