Long-LeadMaterial和RollingForecast是什么意思（75%coasting是什么意思）

Long-Lead Material长期材料 机械上的常用词列句 Long lead-time material for the additional vessels will include diesel engines, water jets and reduction gears. 额外联合高速船的长期材料包括柴油发动机、水力发动机和减速齿轮。 Rolling Forecast滚动预测 经济常用词例句 Preparing annual budget and follow-up, analyze and control the variance and prepare rolling forecast. 编制公司年度财务预算并跟踪，对差异进行分析和控制，并作滚动预测