expander造句
On the other hand, prepared negative plate
expander is commercially available.
另一方面, 在商业上可购到现成的负极板膨胀剂.
Nagative
expander formulas started to include such items of wood, as wood dust or wood flour.
负极板膨胀剂配方开始包括木质一类的材料, 如木屑或木粉.
The control part oftube
expander adopts the structure of double bearings.
它的控制部分采用双轴承结构.