English
Spanish
Arabic
Spanish Basque
Portuguese
Belarusian
Japanese
Russian
Icelandic
Bulgarian
Azerbaijani
Estonian
Irish
Polish
Boolean
Danish
German
French
Filipino
Finnish
Korean
Dutch
Galician
Catalan
Czech
Croatian
Latin
Latvian
Romanian
Maltese
Malay
Macedonian
Norwegian
Swedish
Serbian
Slovak
Slovenian
Swahili
Thai
Turkish
Welsh
Urdu
Ukrainian
Greek
Hungarian
Italian
Yiddish
Indonesian
Vietnamese
简体中文
Haitian Creole
?? ???? ????? ????? ??????? ?????? ?? ??????? ??? ???? ?? ???? ?? ????? ????? ? ????????? ????????? ?? ????? ????? ??? ????????? ????? ???? ???? ? ????? ????? ?? ?????? ????? ????. ??? ????? ????? ????????? ?? ?????? ?????? ???? ??? ??? ?? ??? ????? ?? ??? ????? ???? ???? ???? ?????
??????? ???? ???????? ????? ???? ??????? ? ?? ?? ?? ?? ??? ????? ?? ????? ??????? ???????? ????? ????????? ????? ?? ?????? ???. ??? ??? ??? ??????? ????? ?? ????? ???? ?????? ?? ??? ??????? ????? ?? ??? ?????? ??????? ?? ??? ????? ?????? ?? ????? ????? ?? ??? ??? ???? ????
???? ?????? ??????? ??? ???? ??????? ?????? ???? ????? ???? ?????? ???? ????? ? ?? ?????? ????? ?? ????? ?????? ????? ??????? ?? ????? ???.
???? ????? ?? ????? ????????? ???? ????? ???? ??? ?? ?????? ??????? ?????? ???????????? ?? ??????? ? ??????? ?????? ??????? ???? ???? ?????? ?????????? ????? ? ?????????? ????? ?? ?? ????? ???? ????.
???? ??? ????? ?? ??? ????? ??? ??????? ????? ??????? ??????????? ????? ????? ?? ??? ???????
????????? ? ????? ????????? ??????????? ????? ??????? ????? ???????? ?????
Principle of reasonable dimensioning: 1. Important dimensions should be directly indicated
2. ?? ????? ?? ????? ????? ???? ????
3. ??? ???? ?? ????? ?????? ???? ???
4. ???? ?? ????? ?????? ????? ???
5. ??????? ?????? ?? ?? ??? ??????
6. ??? ????? ????????? ???? ????????? ?????? ?? ??????
???? ????? ?? ????? ???????: ?????? ????? ????? ?????? ????? ? ?????? ????? ?????
???????? ?????? ?? ???? ????????? ???? ??????? ???????: 
?. ???? ????????? ???? ?? ???? ?? ????? ???? ???? ?????? ?????? ????? ????? ???? ????? ???? ???? ? ??? ?? ??.
2. ????????? ? ??????? ??? ?? ??? ???? ????? ?? ???? ?? ???????? ???? (?????????? 3F? ???????? ????? ?????) ?? ???? ??????. ???? ???? ?? ?????? ?? ??????????? ????? ???? ????? ??? ? ????????? ?? ???? ???? ???? ???.
3. ?????? ?? ??????? ?? ???????? (??????????? ????????????? ?????? ??????? ? ??? ?? ??) ???? ??? ? ????? ???? ???? ?? ?????? ???????? ?? ???????? ?? ??? ????? ????? ???.
????? ????? ??? ????? ???? ?? ???????? ??????? ???? ????. ??????? ?? ??????? ?????? ??? ??????? ?? ?? ??? ???? ?????????? ???? ? ??? ???? ???? ?????????? ??????; ???? ?? ??????? ?? ???????? ?????? ???? ??????? ?? ????? ???? ????? ?? ???? ???.
5. ??? ???? ???? ???? ????? ?????? ?? ??? ??? 3D ? ???? ????????? ???? ???? ?? ????????? ???? ????? ?? ???????? ????? ?? ???? ???? ????.
?? ????? ?????? ?????? ????????? ???? CAD ?? ?? ????
?????? ????? ? ????? ???? ?????? ?????
????? ?? ?????? ? ?????? ????? ??????: ???? ????? ? ?????? ?????????? ???????? ???? ??? ?? ?? ??? ??????
????? ??? ?? ??? ?????: ?? (-?.?,+?.?) ?.? (?,+?.?) ??.? (?, -?.?)
????? ??????: ?????? ?????? ????? ?????? ????? ????? ??????? ????? ???? ??????? ????????? ?? ? ?????
????? ???????: ???? ?? ?? ???? ????? ??? ????? ????? 4-10 ? 410 ???? ????
??? ???? ??????? ????? ?? ??? ??? ??????? ??? ?????? ?? ?? ????? ?????? ????? ???? ?? ?????? ????????? ????? ?????? ???? ????
????? ???????: ????? ?????? ??? ??? ? ??????? ???? ???
