凹垫圈 [
āo diàn quān]
[机] cupped washer
- 如果加装太多的垫圈,车顶外面有形成凹痕的危险,此痕迹在车顶关闭时可看得见。
If too many washers are fitted, there is a risk of indentations forming in the outer roof skin, which are visible when the roof is closed.
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