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- This makes the sling into a two layered tube. 这样背巾就折成一个双层的环了。
- A.3.2.2 Treatment: Since the heat exchange components is double layers tube, no need to change running status of machine unit. Stop it normally, recondition or replace it. 2处理：基于冷凝器的换热元件为双层管壁结构,不必改变机组运行状态,按正常停机后,检修或更换。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- He demonstrated the principles with chemicals and test tubes. 他借助化学药品和试管讲解了这些原理。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- She cried when she saw all her plans go down the tubes. 看到她一切的计划全都失败了,她哭了。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- The child has earache caused by blocked Eustachian tubes. 这孩子因耳咽管堵塞而引起耳痛。
- layered tubes 层合管
- A layer, as of doubled-over cloth or of paperboard. 一层一层，如折叠过的布料或纸板的
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- The steel tubes were clogged with dirty matters. 钢管里塞满了脏物。
- A thin, flat layer or scale, as that of a fish. 外表组织薄而平的一层或鳞状物，如鱼鳞
- The tubes were examined macroscopically. 这些管子都非常细致地检查了。
- Be sure to label all the test tubes . 一定要把所有的试管都贴上标签。
