《森林保險查勘定損技術規程》(LY/T3332-2022)【全文附高清無水印PDF+DOC/Word版下載】英文名稱:Code of practice for forest insurance claim investigation and loss assessment簡介:本文件規定了森林保險查勘定損的林木損失認定
《變頻器供電交流電動機確定損耗和效率的特定試驗方法》(GB/T32877-2022)【全文附高清無水印PDF+DOC/Word版下載】英文標準名稱:Specific test methods for determining losses and efficiency of converter-fed AC motors