straight shank twist drill造句

• Wenling lida instruments co . , ltd is a corporation which can produce taper shank twist dril - ls , straight shank twist drills and silk drills professionally . our corporation has rolling workshop , m
  温岭利达工具有限公司是一家专业生产锥柄麻花钻，锥柄加长麻花钻的企业。