fastening piece的用法和樣例：
例句
- All the exposed fastening pieces are made from stainless steel.
外露緊固件為防掉式。 - PRECOTE has been approved by major automotive manufacturers, and also has fastening applications in electronics,telecommunications,aerospace and other high technology industries.
當緊固件安裝進去時，它就會破裂，使化學劑混合在一起，從而保證了牢固的粘結力。
