Belt weighers are used in power plants to measure coal and control power generation costs.
发电厂通过皮带秤对原煤进行计量，以控制发电成本。
Demographic pressures threaten to burden the next generation with heavy costs.
人口压力危及下一代的承重负担。
This method can guarantee the generation of optimization execution plan and costs a little.
该方法开销小，且能产生优化的执行规划。
This method can guarantee the generation of optimization execution plan and costs a little.
该方法开销小，且能产生优化的执行规划。
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