水下爆破难度较大，在流动的海水中爆破难度更大。

Blasting under water is difficult, submarine blasting is more difficult because of water flow.

youdao

水下爆破难度较大，在流动的海水中爆破难度更大。

Blasting under water is difficult, submarine blasting is more difficult because of water flow.

youdao