universal pressure boiler

例句：

1. 1. The universal truth is that success is not just about talent.
   普遍真理是，成功不仅仅取决于天赋。
2. 2.The universal language of love is kindness.
   爱的普遍语言是善良。
3. 3. The universal law of gravity states that every object in the universe attracts every other object with a force equal to its mass times the square of the distance between them.
   万有引力定律表明，宇宙中每一个物体都会以与其质量成正比、与其距离的平方成反比的力吸引其他所有物体。