spare part的复数形式怎么拼写？

n.备件...

spare part的音标：spare part的英式发音音标为：[spɛə pɑ:t]spare part的美式发音音标为：[spɛr pɑrt]...

I've been trying to raise this spare part everywhere.我一直在到处寻找,想弄到这种备件.Responsible for spare part order and the quality inspection of reconstructive engineering.负责所辖设备备件的申报和工程改造的质量验收.Experience in equipment maintenan...