Method 1: Change into a new non-return valve; prolong the holding time, if there is still no melt cushion, it means the cylinder is broken.

方法一：换上新的止回阀，延长保压时间依然没有料垫，则说明料筒损坏。

youdao

There's no sign of ice, just a river roiling with silt-laden melt.

这里看不到冰雪的迹象，只有融化的雪水裹挟着泥沙顺流而下。

youdao

With controllable cold fusion, many of the world's energy problems would melt away: no wonder the us Department of energy is interested.

如果有可控制的冷聚变，那么，许多世界能源问题就能够化解：难怪美国能源部对此这么感兴趣。

youdao

Ups and downs in financial crisis in Europe but no melt down.

FORBES: Fed's Hot Air Heats Up Stocks

No one would ever redeem the silver certificates for the metal because of this negative difference between the face value and melt value.

FORBES: A Gold Standard Is Big Oil's Best Defense Against Political Attack