assembly-prestressing form finding loop by loop  逐环拼装张拉成形

loop the loop  环路火车

loop-by-loop  直流锅炉

Loop-in-loop-out Substation  环进环出变电站

loop-within-loop  循环套循环; 复杂循环

microbial loop microbial food loop  微食物环

Open loop and closed loop  开环和闭环

open-loop and close-loop pitch extraction  开环-闭环基音提取

the loop knitting without loop  空针成圈编织

hammer head [= hammer head shark]  双髻鲨; Y髻鲨

head to head  对遇; 交头接耳地

head to head configuration  头对头结构

head to head structure  头接头结构

head wind [= head sea]  逆风; 顶[头]风; 逆浪

head-to-head  肉搏战

head-to-head polymer  头-头聚合物

hexagon socket countersunk head cap head screw  内六角沉头螺钉

hexagon socket head cap head screw  内六角圆柱头螺钉

Round head rivets with small head--Black  小半圆头铆钉