jack-in type

基本解釋

Bohai8 jack-up platform was refitted from slot type to cantilever-beam type and is in its later service period now.
渤海8號平臺是一座由槽口式改為懸臂式的自升式平臺，并已經(jīng)進(jìn)入后服役期階段的老齡化平臺。
This paper discusses the two structure forms of cantilevers of jack-up drilling platforms, and the type selection of news jack-up drilling platforms in our country.
主要闡述了自升式鉆井平臺懸臂梁的兩種結(jié)構(gòu)形式特點(diǎn)，以及目前我國新建自升式鉆井平臺的選型目標(biāo)。
Therefore, it is convinced that models and methods of optimum lectotype in this thesis are effective and can be a useful tool in the concept design of the jack-up truss-type leg.
綜上表明，本文所采用的優(yōu)化模型和方法簡單實(shí)用，優(yōu)化效果顯著，為自升式平臺桁架腿的概念設(shè)計(jì)提供了一種有效工具。