关于propellant的百科

• propellant造句怎么写

• Thiseffectivelyreducesleakageofpropellantwhileenhancesthesafe-tyofaerosolproductsbyavoidingpropellantleakageduringproduction,transportationandusage.Castingthepropellantisdonethroughthe"bayonets"fromthecastingpottothecase.Flowininjectorpassagesofava...
• 2016-10-2630434