The frame member comprises a profiled-steel beam and concrete which is poured outside the profiled-steel beam to form a profiled-steel concrete combinationbeam.
边框 梁包括型钢梁和浇注在型钢梁外的混凝土构成型钢-混凝土组合梁。
2
Cold plasma, a combination of oxygen and helium gas concentrated into a lightening-like beam, has previously been used by medics to clean bacteria off wounds.
冷等离子，是由氧气和氦气混合集中成的光束，先前主要在医疗上用来清除伤口的细菌。
3
Maked use of beamcombination, laser power will be achieved higher than single output of laser.