例句與造句

1. Diffusion furnaces also had to be built, because existing laboratory furnaces did not meet the requirements of semiconductor production.
2. Its best selling product is in its furnace category which include industrial furnace, heat treatment furnace and laboratory furnace.
3. It is used in high temperature applications such as missile nose cones, rocket motors, heat shields, laboratory furnaces, in graphite-reinforced plastic, and in biomedical prostheses.
4. It's difficult to find laboratory furnace in a sentence. 用laboratory furnace造句挺難的