- 相关词组
- sealed roller bearing密封式滚子轴承
- sealed bearing密封轴承
- sealed-for life bearing封闭式一次润滑轴承
- second order derivative of gravity potential重力位的二阶导数
- sediment-depositing side of bend河曲的淤积侧
- sealed roller bearing bit密封滚动轴承钻 头
- screw for bearing wheel of oscillating weight自动锤轴承螺钉
- seamless hollow ball bearing无缝空心球轴承
- sea gravity measurement海洋重力测量
- sealed-for-life bearing全期油封轴承
- sector gear bearing扇形齿轮轴承
- sealed journal bearing insert bit密封滑动轴承镶 齿钻头
- sealing bearing bush密封瓦
- sea gravity海洋重力学
- seal of bearing轴承密封
- second derivative gravity anomaly重力二次导数异常
- seafloor bearing capacity海床承载力
- seed bearing结种子的
- sea bottom gravity metre海底重力计
- screen for side light舷灯遮光板
- 今日热词
- 热门搜索
- fifty 五十;五十几；五十年代;
- accident n.意外事件;事故;机遇，偶然;附属品;
- solemn adj.庄严的，严肃的;庄重的;隆重的，神圣的;忧郁的，阴沉的;
- relevant adj.相关的;合适的;有意义的;
- We Are The World 我们是世界;经典;迈克尔.杰克逊;迈克尔·杰克逊;世界一家;字幕版
- destruction n.破坏;毁灭;
- opt vi.选择，挑选;
- attempt vt.试图;尝试;n.进攻;尝试，冲击;
- serialization n.连载长篇;
- take out v.取出，除去;拔掉;把…带出去;邀请（某人）外出;
- attentive adj.注意的;周到的，殷勤的;温存;细心;
- deed n.行为;行动;<律>契约;证书;
