可压缩气液两相流
compressible gas-liquid flow
玛碲脂挤压压缩气枪
compressed-air gun for the extrusion of mastics
伸缩气缸组
telescopic cylinder group
缩唇腹式呼吸训练
half-closed lip abdominal respiration training
网状气缩缺陷
Network shrinkage defects
往复式压缩气锤
reciprocating type compressed-air hammer