It relies on silicon fragments, which are used in aluminium alloys, changing shape and, in effect, pinning down the gas-containing pores to prevent them from expanding.
这个过程还依靠用在铝合金中的硅粒改变形状来完成，即找到气泡并阻止其膨胀。
2
Flue gascontaining hard grain of fly ash flow relative to the wall, on the wall wear called impact wear, also known as erosion. erosion.
含有硬粒飞灰的烟气相对于管壁流动，对管壁产生磨损称为冲击磨损，也称冲蚀。冲蚀。
3
Exhaust air or inert gascontaining the DMF is continuously sent to a recovery system where the solvent is recovered by condensation or absorption.