缩砂(《海药本草》)，姜科，多年生草本，高达3米。根茎横走，有时肥厚。茎直立。
...缩砂 色谱指纹图谱[gap=2078]ry; Amomum villosum Lour; Amomum villosum Lour.var.xanthioides T.L.Wu et Senjen; Amomum xanthioides Wall.; chromatographic fingerprint..
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机架的常见缺陷有裂纹、掉砂、夹渣、缩孔缩松和晶粒粗大等。
The common defects of the housing casting include cracks, sand drop, slag inclusion, shrinkage porosity and rough grain, etc.
显微组织分析表明，呋喃树脂砂生产摇枕、侧架所出现的裂纹按照产生原因分为缩裂纹和拉裂纹。
According to microstructure analysis, cracks in bolster and side frame produced by Furan self-cured sand can be classified into shrinkage hot cracks and stress hot cracks.
厚实板类铸件按传统工艺生产，容易产生缩孔、缩凹、缩松、夹砂、胀包等铸造缺陷。
The shrinkage cavity, depression, shrinkage porosity, scab and swell defects often took place with the heavy plate castings produced by adopting traditional foundry method.
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