undertrimmer

常见例句

• Single Needle Lockstitch with Automatic Undertrimmer
  单针自动割线返针平缝机
• Single Needle Lockstitch basting machine with Automatic Undertrimmer
  单针自动割线绷缝机
• Single Needle Upper and Lower Feed Lockstitch with Automatic Undertrimmer
  单针步靴自动割线送布平缝机
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