您要查找的是不是：
- 双层GST Double GST
- 双层 double deck
- 双层的 two-double
- 双层巴士 double-decker bus
- GST-22 GST - 22
- 抗重组GST单克隆抗体的制备及其在融合蛋白纯化中的应用 Preparation of monoclonal antibody against recombinant GST and its application in purification of GST fusion protein
- 双层玻璃 pair glass
- "双层" 税收制度 two-tier tax system
- 双层中空玻璃 double glazing unit
- 双层纸 duplex paper
- 他们用双层窗户防尘。 They shut out the dust by having double windows.
- 双层组织 double weave
- 该天盖壁是双层厚的。 The canopy walls are of double thickness.
- 有梯子的双层 A bunk bed.
- 那推销员说，如果我们安装双层玻璃窗的话，我们的暖气帐单就会完全不一样了。 The salesman said it would make all the difference to our heating bills if we installed double glazing.
- 凹面双层底舱 hip tank
- 双层门 two storied gate
- 双层袜 double-ply hosiery
- 双层炉 double decker oven
- 双层货盘 double-deck pallet
