Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
Arabic
English
French
German
Greek
Japanese
Polish
Portuguese
Russian
Spanish
Terms
for subject
Chemistry
containing
验证
|
all forms
|
in specified order only
Chinese
English
检
验证
明
书
certification of proof
检
验证
明
书
certificate of testing
验证
装置
demonstration plant
验证
装置
demo plant
Get short URL