Every technical and economic index reaches enterprise's standard.
各项技术经济指标达到企业标准。
Pressure drop is an important technical and economic index of fabric filter.
压力损失是袋式收尘器重要的技术经济指标。
The usage life is the most important economic and technical index of bogie.
转向架寿命是转向架的重要经济技术指标。
The usage life is the most important economic and technical index of bogie.
转向架寿命是转向架的重要经济技术指标。
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