... shrinkage fitting 缸套装配 shrinkage hole 收缩孔 shrinkage relief heat treatment 消除收缩热处理 ...
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hole shrinkage 缩径 ; 井眼缩径
reduction shrinkage hole 还原收缩孔
shrinkage hole and shrinkage marks 缩孔缩痕
Shallow-hole shrinkage mining 浅孔留矿法
short hole shrinkage 浅孔留矿
short-hole shrinkage 浅孔留矿法
shallow-hole shrinkage 浅孔留矿法
Sun wheel was produced by investment casting with silicate sol shell. Through designing rational gating system, selecting proper de-waxing parameters, shell-mold baking process and pouring way, serious shrinkage hole (porosity) existed in hot spot location at ingate root of the sun wheel was effectively eliminated, and a series of sun wheels were successfully produced.
对一种太阳轮铸件采用硅溶胶制壳工艺,通过设计合理的浇注系统,确定合理的脱蜡工艺、型壳焙烧工艺和浇注工艺,有效解决了该太阳轮铸件浇口根部热节处缩孔缩松严重的问题,成功浇注出该系列太阳轮铸件。
参考来源 - 太阳轮的熔模铸造工艺·2,447,543篇论文数据，部分数据来源于NoteExpress
The difference of sedimentation speed, shrinkage degree and direction is the main factor of lawn hollow and hole.
因土壤土质因素出现的土壤沉降速率、收缩程度和方向的不同是导致草坪凹陷、坑洼的主要原因。
Short-hole shrinkage method without sill pillar occupies 60%.
无底柱浅孔留矿采矿法60%。
The paper introduced shallow hole shrinkage stoping method that has been used in Baoziwan Gold Mine for many years.
叙述了堡子湾金矿多年来应用浅孔留矿采矿法的生产实践以及对采切工程的改进。
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