hatch cover
常见例句
- It is mainly engaged in ship hatch cover, steel products, machinery steel-port, the hull section, and marine engineering.
主要经营范围：船舶舱口盖，钢结构产品，港口机械钢结构，船体分段，海洋工程。 - This paper explains the performance and specialty of the single-cover bi-directional bearing hatch, and introduces its composition, structure and manufacture technology in brief.
叙述了单盖双向承压出入舱口装置的性能特点，并对其组成、结构形式及制造工艺作了简要介绍。 返回 hatch cover