| 1. | Double - wall water heaters with cover to be unscrewed , of steel 带拧卸盖的钢制双壁热水器 |
| 2. | Double - wall water heaters with neck , of steel 带颈管的钢制双壁热水器 |
| 3. | Electron transport properties of the finite double - walled carbon nanotubes 有限长双壁碳纳米管的电子输运性质 |
| 4. | Construction technology for large double wall steel cofferdam in strong bore section 强涌潮河段大型双壁钢围堰施工技术 |
| 5. | The sound insulation analysis and test methods for double wall of airplane cabin 民机座舱双壁结构的隔声分析与隔声试验方法 |
| 6. | Practice of once - through shaping in medium and deep hole twin slope - cut excavation blasting 双壁路堑中深孔一次成型爆破实践 |
| 7. | Double - wall water heaters with two fixed steel covers for vertical and horizontal application 立式或卧式带固定双盖的钢制双壁热水器 |
| 8. | The construction technology of the thin - wall caisson used in drilled pile foundation 高压旋喷桩配合双壁钢围堰在深水承台施工中的应用 |
| 9. | Vertical tanks of steel , double - walled , without control liquid , for above ground storage of mineral - oil 矿物油地上存储用无控制液双壁立式钢容器 |
| 10. | Application of plastic pipe with double partitions and wave veins to well - making in powderily fine sand la yer 双壁波纹塑料管用于粉细砂地层成井初步研究 |