词汇	valengongite
释义	valengongite 块煤；炭质油页岩
随便看	standard light and medium duty engine lathe standard light antarctic precipitation standard light both standard lighting standard lightning impulse standard lightning impulse sparkover voltage standard lightning impulse spark-over voltage standard lightning impulse withstand voltage standard light resource standard light source standard light-source standard light sources Standard Lightweight Avionics Equipment standardlike standard-like standard limb leads standard lime standard limit standard limits standard limit theory standard line standard linear atmosphere standard linear model standard linear programming standard linear regression