标题（Title） 一般不超过80个字符
drillbitjigsawbladetwistdrillbits:hssstraightshankdin,din,din,ansib.m,hssreducedsha...
（86 个字符）
关键词（KeyWords）一般不超过100个字符
drillbitjigsawbladetwistdrillbits:hssstraightshankdin,din,din,ansib.m,hssreducedshank,tapershankdinansib.m,,hsshexshank,singleendbodydrill,centerdrill,doubleendbodydill;wooddrillbits:woodbraddrillbits,woodflatbit,forstnerbit,augerbit,countersinks;masonrydrillbits,sdshammerdrillbits,glasstiledrillbits,stepdrillbits,
（316 个字符）
描述（Description）一般不超过200个字符
drillbitjigsawbladetwistdrillbits:hssstraightshankdin,din,din,ansib.m,hssreducedshank,tapershankdinansib.m,,hsshexshank,singleendbodydrill,centerdrill,doubleendbodydill;wooddrillbits:woodbraddrillbits,woodflatbit,forstnerbit,augerbit,countersinks;masonrydrillbits,sdshammerdrillbits,glasstiledrillbits,stepdrillbits,
（316 个字符）
