4 sentences

1. 还不如把炮筒熔成铁呢。

   hái bù rú bǎ pào​tǒng róng chéng tiě ne.

   We may as well melt the cannons for iron.

   Source: OpenSubtitles

2. 电流过大导致保险丝熔断了。

   diàn​liú guò dà dǎo​zhì bǎo​xiǎn​sī róng duàn le.

   The excessive current caused the fuse to blow.

   Source: Dong Chinese Dictionary

3. 铁矿石在高温下会被熔为铁水。

   tiě kuàng​shí zài gāo​wēn xià huì bèi róng wéi tiě​shuǐ.

   Iron ore melts into molten iron at high temperatures.

   Source: Dong Chinese Dictionary

4. 如果电流过大，保险丝就会自动熔断以保护电路。

   rú​guǒ diàn​liú guò dà, bǎo​xiǎn​sī jiù huì zì​dòng róng duàn yǐ bǎo​hù diàn​lù.

   If the current is too high, the fuse will automatically blow to protect the circuit.

   Source: Dong Chinese Dictionary