The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.化合物庚烷的主要用途是作为双基推进剂的增塑剂.The factory produces propellant for ballistic missiles.这个工厂为弹道导弹生产推进剂。A variety of mechanical surfaces ...
The factory produces propellant for ballistic missiles.这个工厂为弹道导弹生产推进剂。Some stratification exists in the spray produced by any liquid propellant injector.由任何液体推进剂喷注器所产生的喷雾都存在某些成层现象.The nitroguanidine is added to the prope...
He manoeuvres to foster recovery.他采取手段促进复苏。The rest were all somewhat stooping, as though watching the manoeuvres of this last.其余几个微微俯身向前, 像是在看他做什么.In the past, defensive manoeuvres often went unpunished.在过去, 这种防御性的行为经常不...
他穿着短裤，膝盖的伤口已经结痂。He had short trousers and scabby knees.你割破了, 血会凝固、结痂.When you cut yourself , blood clots and forms a scab.这个伤口会疼痛难忍，直到大约10天后结痂才会好些。The area can be very painful until scabs form after about ten days....