o-ring
o-ring — 名詞
1. a small circular rubber ring that sits in a groove between two parts of a machin
O型環；墊圈
機械中防止液體或氣體洩漏的橡膠環
a small circular rubber ring that sits in a groove between two parts of a machine, creating a seal to stop liquids or gases from leaking out
Haruto replaced the worn o-ring on the shower head to fix the slow drip.
Haruto 更換了蓮蓬頭上的磨損 O 型環，以解決緩慢滴水的問題。
collocation: replace + worn / o-ring + on [device]
The mechanic found that a cracked o-ring was causing oil to leak from the engine.
技師發現一個破裂的 O 型環導致引擎漏油。
collocation: cracked o-ring + cause + [fluid] to leak
Before assembling the water filter, Amina made sure the o-ring sat correctly in its groove.
在組裝濾水器之前，Amina 確認 O 型環已正確嵌入凹槽中。
The factory changed the o-rings on all the valves during the annual maintenance check.
工廠在年度保養檢查時更換了所有閥門上的 O 型環。
Without a properly fitted o-ring, the pressure tank would lose air through the threaded connection.
若沒有安裝妥當的 O 型環，壓力槽的空氣就會從螺纹接口處洩出。
- gasket
broader term; o-rings are one type of gasket, but gaskets can be flat, rectangular, or custom-shaped
- seal
general functional term for anything that prevents leakage; less specific to the ring shape
- washer
similar circular shape but usually flat and used for distributing load, not primarily for sealing
用法筆記
Frequently used in mechanical and plumbing contexts. The hyphen is typically retained in formal writing, though "oring" appears in informal technical notes.