您要查找的是不是：
- vertical helix fire tube 立式螺旋火管
- vertical helix type inferential meter 垂直螺翼式流量表
- The design and experiment of a small fire tube economic crop desiccator were studied in this paper. 论述了小型火管式经济作物干燥机的研制过程和试验研究项目。
- A few sedan carriers who had been standing by, waiting with a powder-filled "fire tube," now ignited it and took turns spraying the flying sparks against the bare torsos of the dragon dancers. 几个轿夫拿着竹筒花炮在旁边等了一些时候，便轮流地燃放起来，把花炮对着玩龙灯的人的光赤的身上射。
- This article research onthe heat interchanger"s different material: the steel pipe, the fire-proofing material andthe ceramic fire tube using bulk curing barn under this kind of background. 本文就是在这种背景下，展开了密集烤房换热器不同材质：钢管、耐火材料及陶火管的对比试验研究。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- He took out a fire insurance policy for his house. 他为自己的房子办理了一份火险保险单。
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- In spite of the pain, they uttered fierce defiant cries. "If you've got any more 'fire tubes', bring them on!" they yelled. 可是他们却任人烧，一点也下防御，虽然也感到痛，却只是大声狂呼，表示自己并不怕痛，而且表示自己很勇敢，同时还高声叫着：“有‘花儿’尽管拿出来放
- horizontal oil-fired straight fire tube boiler 卧式燃油火管锅炉
- Improving Fire Tube Structure of Large Boiler 大型锅炉火管结构的改进设计
- Auxiliary fire tube boiler survey 辅助火管锅炉检验
- Having a shape approximating that of a helix. 近似螺旋形的，近似螺旋线的
- The accessories of Flawless fireplace mainly have their own special tools, gloves, fire tubes and coverings, timbers and fireplace frames made of all kinds of materials. 孚朗丽思壁炉附件主要有壁炉专用工具、壁炉专用手套、壁炉专用烟管烟帽、壁炉专用木材及各种材质的壁炉框。
- The kettle was boiling away merrily on the fire. 壶水烧开了咕嘟咕嘟地滚泡。
- A crowd gathered at the scene of the fire. 许多人聚集在火灾现场。
- A vertical or nearly vertical line or plane. 垂直线，垂直面垂直或近似垂直的线或平面
- I visualize having to fire some of the workers. 我预想到必须解雇一些工人。
- At right angles to a vertical line. 横的与垂直线成90度角的
