辅以少量增孔助剂，对砂孔进行固结试验。 在固化剂和扩孔剂用量范围内，利用正交试验优化固砂剂组成。
Within the dose range of curing agent and enlargement agent , the composition of sand consolidation agent is optimized by using quadrature test .
在对固砂剂和扩孔剂用量范围进行初步确定的基础上，筛选了以CA—CC和BS—BZ为原料的两种固砂剂组成。
On basis of establishing the dosage range of sand-consolidation agents and porosity-increasing agents, CA-CC and BS-BZ as the main components of two sand-consolidation agents were selected.
通过冲孔、扩孔、扩展、压扁、成型、模锻和机械技工操作生产定制管。
We provide custom tube fabrication utilizing piercing, flaring, expanding, flattening, forming, swaging and machining operations.
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