The disquietude of his air, the somewhat apprehensive impatience of his manner, surprised me.他神情不安, 急躁的举止中有点担忧, 这使我吃了一惊.He kicked the chair in a spasm of impatience.他突然变得不耐烦，一脚踢向椅子。He expressed impatience at the slow rat...
液体精密定量吐出装置系统及周边各种配套精密配件,如针筒,针嘴,点胶阀, 压力罐等.Super percision fluid dispenser , parts ( Syringe, nozzle , valve, tank and so on ) and FAD system.他们声称自己天资聪明, 心细如针, 只有他们才能猜出谜语.They claim to talk like needle, intelligent, only t...