精工细作 Seiko Spy ; More intensive and ; Precision in judgment ; seiko secret work

精细化工 Fine Chemicals ; Fine Chemistry ; industry of fine chemicals

精工细做的 elaborate

精细工艺 fine art ; handwork

超精微细加工 Super-Precision & Minuteness Processing ; Super-Precision &

做工精细 perfect in workmanship ; Workmanship ; Work fine

加工精细 finely proce ed

精细化工装备 Refinery Chemical Equipment

精工细琢的珠宝 a jewel of curious workmanship