本人有一个规格书需要翻译,遇到几个不太清楚如何翻译(红色),望有高手帮忙
3.6.2 Cargo tank and pump room hatches (1) Cargo tank access hatches Each cargo tank to be fitted with one (1) oil tight access hatch of approved type, elliptical opening abt. 880 mm x 2190 mm, located at middle part of each tank as shown on GA-plan. Hatch cover to have one inspection opening and one venting opening . The access hatches to be constructed integrated with the independent cargo tanks and extended up through the main deck through flanged coamings with flexible watertight seals of materials resistant to the cargo temperature and with insulating properties. 3.9.1 Fore mast One (1) rounded fore mast to be arranged on forecastle deck at the centre line of the vessel and be furnished with galvanized vertical ladder, navigation lights and a platform with safety rail, etc. The height of fore mast to be decided according to the requirement of Regulation. Fore mast of stayless type and welded on the forecastle deck with proper reinforcement. Stayless type是什么意思,是不是写错啦?
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