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- Can all glass vacuum collector tube operate with water inletting? 全玻璃真空集热管不能顶水运行吗?
- Diangong Heat tube Vacuum tube heat collector. 电工太阳能热管真空管集热器.
- Diangong Solar vacuum tube heat collector. 电工太阳能真空管集热器.
- My husband is a stamp collector. 我丈夫是个集邮者。
- Influence of room temperature on heat loss from all glass vacuum collector tubes 室温对全玻璃真空太阳集热管平均热损系数的影响
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- A collector of taxes or tribute from the public. 征收员从公众那儿收取赋税或贡物的人
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- The stamp collector decided to get that rare stamp at all costs. 这个集邮迷决心无论代价如何都要搞到那枚稀有的邮票。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The collector bubbled excitedly about his latest discoveries. 那位收藏家兴致勃勃地谈他最新的发现。
- The collector made an appraisal of $2000 on the drawing. 收藏家对那幅画的估价是二千美元。
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- A collector of antique cars asked Frank to look out for a 1906 gas head lamp. 一位老式汽车收藏家要弗兰克留神1906年产的煤气前灯。
- A collector of rare insects will show us some of his latest discoveries. 一位稀有昆虫采集家将给我们看一些他的最新发现。
