??????? 
English 
Espa?ol 
?????? 
Português do Brasil 
Русский 
日本語(yǔ) 
Deutsch 
??? 
Fran?ais 
Türk?e 
Polski 
Ti?ng Vi?t 
Italiano 
簡(jiǎn)體中文 
Which is best for precision boring inner holes? Carbide or HSS? We opt for low-speed...
???? ????? CNC ????? ?????? ?? ????? ????????? ??? ????? ?????? ?? ????????...
?? ?? ???? ????? ???? ??? ???????? ??????? ??????? ??????? ?????? ??? ???? ??????...
?????? ??????? ????? ?? ??? ?????? ???? ?????? 16φ17? ????? ?? ?????? ?????...
??????? ????? ?????? ?????? ????????? ????????? ??? ????? ???? ?? ????...
??? ???? ???? ??? ????? ??? ?????? ?????? ?????? ?? ????? ?????. ?????...
?? ????? ???????? ??? ????? ??????? ???????? ????? ???? ??????? ????? ????...
???? ??????? ?????? (??????? ????? ?? ?????) ??? ????? ??????? ??? ???????...
???? ????? ???????? ???????? ??????????? ??????? ????????? ?????? ??????? ??? ??????? ????? ?????????? ???? ??????...
????? ????? ??????? ?????? ??? ?????: ?????? ?????? (????? ??????????) ????? ??????...