the sand retention apparatus is composed of an upper joint (1), a central tube (2), a retention ring (3), a sealing element (4), a spacing ring (5), an adjusting ring (6) and a bell mouth (7).
anchor chain hawser pipes shall be mounted on the port and starboard of the ship, made of steel plate. a casting anchor bell mouth shall be fitted at the lower end of hawser pipe.
锚链筒布置在船舶左右两舷,由钢板制成,每隔锚链筒的下端有铸钢锚唇。
the bell has a specific name of the site, known as moving the upper and the lower part is called the drum bell mouth 16.20 for milling, bell onthe lips say, name-minute dance.
钟的各部位都有着特定的名称,上部称为钲,下部谓之鼓,钟口两角为铣,钟唇曰于,钟顶名舞。
practice proved that bell mouth spinning forming technology is advanced & scientific. it not only reduces the cost, but also satisfies the design demand.
实践证明,集流器旋压成型技术是先进和科学的,它不仅满足了设计要求,而且也降低了成本。
the plates around the anchor chain bell mouth and rudder horn shall be strengthened.