plug-in circuit card

例句：

1. 1. The plug-in circuitcard is essential for the operation of ourcomputer system.
   这个插件电路卡是计算机系统运行所必需的。
2. 2. The engineers were able toreplace the faulty plug-in circuitcard with a new one.
   工程师们能够用一个新的插件电路卡替换出故障的部件。
3. 3. The new software requires a plug-in circuit card to be installed in orderto function properly.
   新的软件需要安装一个插件电路卡才能正常工作。