- 相关词组
- ball-type valve球型瓣膜，钢珠活门;
- crossover valve交叉阀
- hose valve水带阀门
- ball relief valve球形安全阀;
- release limiting valve缓解限制阀
- automatic ball valve自动球阀;
- temperature regulation valve温度调节器阀
- hot water stop valve热水止阀
- relay piston valve继动活塞阀
- relief valve ball保险阀球;
- drain valve ball泄阀球;
- tappet valve凸轮定时阀
- heating coil drain valve加热盘管排泄阀
- hermetic deck valve密封甲板阀
- hot blast valve热风阀
- brandy ball白兰地酒味糖果
- banjo oiler放射管加油器[润滑油];
- ball check valve止回球阀，球形节流阀;球止回阀;
- blow off valve放散阀;
- dynamic ball indentation test落球硬度试验
- 今日热词
- 热门搜索
- vaga 瓦加;哇嘎;沃歌;空泡毒素
- bakery n.面包店;面包烘房;
- aloe vera 真芦荟，羊角掌，真芦荟制品;芦荟汁(用于生产护肤霜等);
- reputation n.名誉，名声;
- publicly adv.公然地;以公众名义;
- What is love 什么是爱;爱是什么;爱情是什么;什么叫做爱
- normal people 正常人;普通人;一般人
- worth adj.价值，值…钱;值得;拥有…价值的财产;n.价值，意义，作用;
- diplomatic adj.外交上的;外交人员的;有手腕的;策略的;
- did not 没有;未;未尝;未曾;
- ambassador n.大使，使节;（派驻联合国等国际组织的）代表;特使;[比喻]使者;
- speak vt.& vi.讲，谈;演说;从某种观点来说;
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