权威例句
Movable type underprop robotTelescopic building beam underpropA Creating Method of Underprop Project for 3-D Abnormal SpaceScissor column traction drive starting underprop mechanismThe Research of Calculating Cantilever Underprop StructuresA Kind of PLC Control System for Rise-fall Underprop SystemImprovement and Evaluation on the Underprop of Wall-mounted Air Conditioner's Packaging BoxBLASTING DEMOLITION OF A FIFTY-THOUSAND-CENTIARE UNDERGROUND OUTSIZE UNDERPROPOptimized Design of Dongfengll Locomotive Salvation Vehicle Underprop Base on FEM SimulationThe treatment effects in old lacerated canaliculus treated with Nd:YAG laser and underprop