Checknut
防松螺母, 保险螺帽, 锁紧螺母
🗣️ 情景例句
Oh, look at that float, Robbie.
噢 你看那花车 Robbie。
Please do now hesitate to as any questions.
如有问题您可随时提出来。
You'll know our products better after this visit.
参观后您会对我们的产品有更深的了解。