taper tester

例句：

1. 1. Thetapered tester was used to measurethe diameter of the pipe.
   使用缩口试验器测量管道的直径。
2. 2. The engineer useda tapered tester to check theaccuracy of the welding process.
   工程师使用缩口试验器检查焊接过程的准确性。
3. 3.The tapered tester was essential forensuring the quality of the metal products.
   缩口试验器对于确保金属产品质量至关重要。