noun🔗Share背板，护背甲. A plate protecting a fighting person's back."The knight's shining armor included a strong backplate to protect him from arrows. "骑士闪亮的盔甲包括一块坚固的背板，用来保护他免受箭矢的伤害。militaryweaponwearbodyChat with AIVocabulary GamePractice Reading
noun🔗Share背板 (underwater diving) A plate harnessed to a diver's back, to which the gas cylinders are attached."The diver secured the heavy gas cylinders to the backplate before entering the water. "潜水员在下水前，先把沉重的气瓶固定在背板上。nauticaltechnicalsportChat with AIVocabulary GamePractice Reading
noun🔗Share挡板，背板。 A metal plate on the rear of a computer's casing, used to cover a port or slot."The new video card came with a backplate to cover the unused ports on the computer. "新的显卡带有一个挡板，用来遮盖电脑上未使用的接口。computingelectronicstechnologymachinepartitemChat with AIVocabulary GamePractice Reading
noun🔗Share背板，衬板。 A wood or metal plate that serves as a backing for an object."The electrician screwed the light fixture onto the backplate that was already mounted to the wall. "电工把灯具拧到已经安装在墙上的衬板上。materialpartstructurebuildingarchitecturetechnicalitemChat with AIVocabulary GamePractice Reading
noun🔗Share制动底板，背板. A rigid metal plate inside the brake drum, which supports the wheel cylinder, brake shoes, and other parts of a drum brake."The mechanic removed the brake drum to inspect the backplate for rust and damage. "机械师拆下制动鼓，检查制动底板是否有锈蚀和损坏。vehiclemachineparttechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share背板，后板。 Part of a condenser microphone that sits behind the diaphragm and which acts, in conjunction with the diaphragm, as a sort of variable capacitor."The signal from the condenser microphone is generated by changes in capacitance between the diaphragm and the backplate when sound waves cause the diaphragm to vibrate. "电容式麦克风的信号产生于声波引起振膜振动时，振膜和背板之间电容的变化。technologyelectronicssounddevicepartmusicChat with AIVocabulary GamePractice Reading
