您要查找的是不是：
- duplex vacuum plodder 双联真空压条机
- He was destined to plod the path of toil. 他注定要在艰辛的道路上跋涉。
- 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。
- They had to plod wearily on up the hill. 他们不得不迈著疲倦的步子登上山。
- 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。
- vacuum plodder 真空压条机
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- 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
- 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
- Would you like a duplex or a mobile home? 你想要双层楼公寓还是活动房屋?
- Pardon my ignorance, but what is a 'duplex'? 请原谅我无知，duplex 是什么呢?
- Shows how to implement a duplex contract. 演示如何实现双工协定。
- To walk in a laborious, heavy - footed way;plod. 跋涉沉重吃力地行走
- Compound type duplex air release va. 复合式双口排气阀。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- To walk in a laborious, heavy - footed way; plod. 跋涉沉重吃力地行走。
