双面对称 meaning in English

twofold symmetry

Study on shaping mechanism of weld for tig - mig double - sided symmetrical arc welding
双面对称焊焊缝成形机理研究
Use the fashionable , the weight , double face to call , and as one s pleases put to put ,
用料考究，重量轻，双面对称，随意摆放，
The " big easy " assemble the furniture double to face to call the design , and follow one s inclinations to put to put , press the space length to make to order ,
“大容易”倡导全新的家装理念“大容易”组装家具-双面对称设计，随心所欲摆放，按空间长度定做，