| 释义 |
- 备用环：一种用于密封系统的辅助元件，通常安装在O型圈或其他密封件的后面，以提高密封性能和耐压能力。
1 ?挡圈 ... bearing ring导向套 back-up ring挡圈 back support ring后支承环 ... 2 ?背压环 ... 背压环 back-up ring 高压接头 bite type fitting 液压马达 hydraulic motor ... 3 ?加支承环 技术参数: ·工作温度:-20℃-+80℃ ·工作速度:≤1m/s ·工作压力: 无加支承环(Back-up Ring) ..
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If he comes back, I will ring you up. - 2
Back home, we could stay up into the small hours chatting about nothing and, when we were apart, we would text, email and ring each other dozens of times a day. 回到家，我们会熬夜聊着有的没的直到凌晨，当我们分开的时候，我们会发短信，发电子邮件，一天给对方打十好几次电话。 - 3
"I said, 'If he calls that number, I'll be sure to pick up after the fifth ring, '" Bryant quipped back -- referring, naturally, to the five championship rings he has. “我认为，如果他拨通那个号码，我将会在铃声响第五次的时候接听电话。” Kobe回复说，很自然关联到他拥有的五只总冠军戒指上。
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