The injection molding test has been carried out - the test shows that the injection pressure is low, the formingcycle is short and the production efficiency is high.
试验表明热流道注射成型注射压力低、成型周期短、生产效率高。
2
The forming law of sinking column in Huabei type coal field, especially at the Fengfeng coal mine is analyzed and the mechanism of groundwater inner cycle in sinking columns is put forth.
分析了华北型煤田，特别是峰峰矿区陷落柱的发育规律，提出了陷落柱的地下水内部循环形成机理。
3
If applied properly, American consumption concept could promote consumption, stimulate production, increase employment, and further promote consumption, forming a favorable cycle.