calliper

• 用于测量两点之间距离的工具，通常指卡尺，常用于测量物体的内外径或厚度；也常以复数形式出现。

An instrument used for measuring the distance between two points, often used in the plural form.

1. Measuring instrumentB2formaltechnical

   An instrument with two adjustable legs or jaws used to measure the distance between two opposite sides of an object, often used in engineering and metalworking.

   测量工具

   • The machinist used a calliper to measure the diameter of the pipe.
   • Digital callipers provide precise readings to a hundredth of a millimeter.
   • He adjusted the calliper's jaws to fit the workpiece exactly.

2. Brake componentB2formaltechnical

   A device that presses brake pads against a disc or drum to slow or stop a vehicle.

   制动卡钳

   • The mechanic replaced the worn brake calliper on the car.
   • A stuck calliper can cause uneven braking and tire wear.
   • High-performance vehicles often use multi-piston callipers for better stopping power.

   同义词caliper