projecting groove
英
美
- 凸出沟槽
双语例句
- He took his pocketknife and in the big oak made a groove.
他拿出他的随身小折刀，在大橡树上划了一道沟槽。 - Slide one half of the splash guard into the groove on the relief valve body.
将防溅保护的一半滑动到安全阀阀体的沟槽上。
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