shieldedadj.有屏蔽的动词shield的过去式和过去分词.shieldn.盾；盾状物；防卫物vt.保护；庇护shielding case屏蔽盒shielded level屏蔽层shielded flame屏蔽火焰shielded motor[化] 屏蔽电动机shielding tank屏蔽罐shield failure绕击shielding band屏蔽带shielding line屏蔽线shield assembl屏蔽装置shield segment盾构管片