n.基础; 子结构; 路基

substructure下层建筑，基础
sub-,在下，structure,结构。

substructure technique → 子结构法
bridge substructure → 桥下部结构；桥梁下部结构
solid substructure → 实心底层结构
box type substructure → 箱式底座
rig substructure → 钻机底座
Optimal substructure → 最优子结构；优化子结构
derrick substructure → 井架底座
unitized substructure → 组件底座
slingshot substructure → 弹弓式井架底座

1. a substructure of timber piles
[汉]木桩下部结构
——来自《权威词典》
2. The substructure is a box - on - box design for easy installation.
[汉]采用无棚绳前开口型井架,整体起升, 低位 安装,方便快捷.
——来自互联网
3. Seepage is one of the ubiquitous problems in substructure work.
[汉]地下工程结构渗漏是地下建筑物中普遍存在的问题.
——来自互联网
4. Have you fixed the derrick substructure in position?
[汉]井架底座固定好没有?
——来自互联网
5. Design rig's mast structure & rig's substructure.
[汉]油井的钻机的井架,珩架及底座结构件的应力分析 和 设计.
——来自互联网

【Noun】

1. the basic structure or features of a system or organization
2. lowest support of a structure;
"it was built on a base of solid rock"
"he stood at the foot of the tower"