hatchcover meaning in English

舱盖
舱口盖

Two more footrests and handgrips should be installed at the entrance of the small hatchcover
在小舱口盖的进口处再安装两只踏步和拉手。
The dissertation takes a 4700 dwt container ship for an example and is directed against the middle and small - sized shipyards . starting from the construction principles and centering on the division of blocks , block fabrication and erection on shipway , the dissertation analyses the manufacturing gist of some typical parts / blocks , hatchcover and superstructure blocks . the dissertation also carries out a research into the application of precision shipbuilding to a container ship
以出口新加坡入级于德国劳氏船级社的4700吨级集装箱船为例，针对中小型船厂，文章从建造方针的制订着手，围绕分段划分，分段建造、船台建造等剖析了典型部件、典型分段以及仓口盖、上建分段的制造要领，并对精度造船在集装箱船上应用进行了探讨