“催化剂”造句
催化剂是一种能加速化学反应的物质.
A catalyst is a substance which speeds up a chemical reaction.
各种陶土管用作转化
催化剂的载体.
Various ceramic materials have been suggested as supports for reforming catalyst.
经过泡水试验,
催化剂应不开裂或破碎.
To pass the water test the catalyst should not disintegrate or crumble.