Based on sandblast working principle and structure characters of blast gun, free jet model was developed in eject sect.
根据喷砂工作原理和喷枪结构特征建立了引射段的自由射流模型。
2
Based on sandblast working principle and structural characters of blast gun, free jet model was developed in eject sect.
根据喷砂工作原理和喷枪结构特征建立了引射段的自由射流模型。
3
NCBI BLAST was created by a group of researchers working for the National Institutes of Health, a division of the United States Department of Health and Human Services.