层合板壳单元  laminated plate-shell element

分区平板壳单元  partition shell element

平板壳单元  flat shell element

退化板壳单元  degenerated shell element

超音波法液位元元元元元元测定  ultra-sonic method of liquid meaduremert

超单元组合—超单元—单元划分  divition of “super unit combine—super unit—unit

板单元  plate element; Slab element; rectangular capsule; Panel element

板单元库  package of element

板壳元  shell element; plate and shell element

薄板单元  thin plate element; shell element

测量单元板  measurement unit board

插板单元  plugboard unit

带肋板单元  the plate element with costalias

单元板  unit plank

单元板式  elemental plate

单元板式无砟轨道  Unit slab track

等效板单元  equivalent plate element

低阶薄板单元  low order thin plate element

顶板单元  top slab unit