The paper presents the modern gun design of technical requirements for gun steel.

扼要叙述了近代火炮设计对炮钢提出的技术要求。

youdao

Gas gun adopts stainless steel full closed structure, fit for long-term application under worse weather conditions, and convenient for installation and maintenance.

煤气炮采用不锈钢全密封式结构，适合在恶劣气象条件下长期使用，安装和维护都十分方便。

youdao

Will you not vote for the killer if you already feel the cold steel of his gun against your head?"

VOA: special.2009.10.02