chemical fit化学配合chemicaladj.化学的n.药品；化学物Chemical bond ceramics化学键合陶瓷chemical amplification化学增幅抗蚀剂chemical inert support化学惰性载体chemically bound water[化] 化学束缚水chemical refrigeration化学制冷chemical modifiability化学修饰chemical churning pile喷射桩chemical contamination化学污染chemical microthruster化学微推冲chemical reaction film化学反应膜