split at lower part of skirt
He at of detonation at constant volume
living at high altitude and training at low altitude
living at high altitude-training at low
Moment frame beam-to-column connection with HSB at web and welds at flanges
weak pulse at yang but stringy pulse at yin
back reaming and back transportation
Back-to-Back
对头拼接
背靠背
背对背的
背靠背结构
背对背
紧接的
背向式计数器
2+2 split stack reactor
Abdominal incision split
adaptive split spectrum processing