research and development造句 151. The current research and development status in abroad of gravure plate making technology were summarized. 152. However, the traditional ceramic tools fabrication methods have low efficiency and high research and development cost. 153. Because of these differences, PERT isused more in research and development projects. 154. BB design of research and development, the Chinese people and property insurance companies underwriting.英文造句storage mediumindecomposablemanual handlingcomputer designrate of depreciationclarifiermarginal profitdumasexpectation of lifeboxing matchchemoprophylaxisprint queuelymphogranulomabought bookpolice lieutenantcontest withcompound proteinconcentric ringon the tickthoracesnoncommissioned officermetastaseslectinsense of right and wrongfigure skatehysteroscopyhepatic arteryostealelectric outlet