您要查找的是不是：
- tortuous pipe for oxygenator 氧合曲管, 氧合器附件
- pipe for oxygenator, tortuous 氧合曲管, 氧合器附件
- A pipe for carrying off water or sewage. 排水管排水或污水的管子
- Letter "O" stands for oxygen and "H" for hydrogen. 字母“O”代表氧，“H”代表氢。
- Aluminum has a great affinity for oxygen. 铝对氧有很大的亲和力。
- Aluminum have a great affinity for oxygen. 铝对氧有很大的亲和力。
- Aluminum has a great affinity for oxygen . 铝对氧有很大的亲和力。
- Hydraulic test for L.O. pipe for stern tube. 艉轴管滑油液压试验。
- tortuous pipe type bubble oxygenator 曲管型鼓泡氧合器
- A tube or pipe for enclosing electrical cables or wires. 电线、电缆的管道
- If it were not for oxygen and nitrogen in the air, no man could live on the earth. 大气中如果没有氧和氮，人就无法生存于地球了。
- A vertical pipe for carrying rainwater down from a roof gutter. 水落管从屋顶水槽接下的竖直导水管
- Stop puffing on that pipe for a moment,and listen to him. 停一会儿再抽那烟袋，听他讲话。
- What symbol stands for hydrogen and what for oxygen? 什么符号代表氢，什么符号代表氧?
- Test the atmospheres in confined work areas for oxygen content. 测试狭窄工作空间内空气中氧的浓度。
- Stop puffing on that pipe for a moment, and listen to him. 停一会儿再抽那烟袋，听我讲话。
- Our area is being piped for hot water. 我们地区正在铺设热水管道。
- In the chemical formula,the symbol for oxygen is O ; for hydrogen,H. 在化学公式中，氧的符号是O，氢是H。
- Check the pipes for leaks at the joints. 检查一下管子的接缝是否有漏隙。
- In the chemical formulas ,the symbol for oxygen is O ; for hydrogen ,H . 在化学公式中，氧的符号是O，氢是H。
