英语词汇“back-up sand”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	back-up sand
释义	back-up sand [机] 背砂
随便看	Processus zygonaticls process utilities process validation process value process value efficacy process variability process variable process variables process variable signal process variation process variation analysis process varivability process vector process versatility process vessel process view process view of nature process virtual memory process virtual time process waste process water processwide process window process window index process wire 止沸益薪止渴思梅止渴望梅止谈风月止部正正1 正2 正3 正4 七彩七律七情七情六欲七手八脚七扠八股七抓八拿七折八扣七拉八扯七拼八凑