... graded coating 等级涂层 graded deposit 递级淀积层 graded index 陡度折射率 ...
基于89个网页-相关网页
graded deposit
分级存款
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The river deposit, which is made up of naturally graded sand and gravel, is characterized by its well gradation, easy control of its particle size, easy compaction and good permeability.
这种天然级配砂砾具有级配良好、粒径易控制、易碾压成型、透水性好等特点。
youdao
应用推荐
模块上移
模块下移
不移动