safety pin造句

1、A safety pin has a cover over its point
安全）别针的顶上有一个盖儿。

2、The teen used a safety pin to help him escape.
少年借用一枚安全别针逃跑出来。

3、Even the humble safety pin can be turned into a stylish statement.
连不起眼的别针也能成为时髦的表征。

4、Safety Pin Shorn Cause Analysis of JRG-3.2X2 Metering Pump
JRG-3.2×2计量泵在使用中剪断保险销的原因分析