“口罩”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。

单词	口罩
释义	口罩 mask
随便看	shrinkage hole shrinkage index shrinkage in length shrinkage joint shrinkage level shrinkage limit shrinkage limit of soil shrinkage loss shrinkage mark shrinkage mass shrinkage method shrinkage mining shrinkage of a casting shrinkage of clot shrinkage of line shrinkage of vitreous shrinkage porosity shrinkage ratio shrinkage rib shrinkage rule shrinkage segregation shrinkage stope shrinkage stope face shrinkage stoping shrinkage stoping method