shrinkagen.收缩；减少；损失；损耗shrinkage in length径向收缩shrinkage allowance收缩容许量,收缩留量,收缩允许量,收缩余量,容许收缩量shrinkage on drying干缩Shrinkage dot glaze缩点釉shrinkage and creep收缩徐变shrinkage apparatus收缩性试验器,缩性试验器shrinkage mechanism缩水机理shrinkage-reducing减缩shrinkage mechanisms收缩机理shrinkage stope face留矿开采法工作面