英语词汇“class sum”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	class sum
释义	class sum [数] 类和
随便看	directional crystal directional crystalli zation blade directional current metre directional current protection directional damper directional data directional dependence directional derivation directional derivative directional derivatives directional design hourly traffic volume directional detector directional diagram directional differential protection directional differentiation directional diffuseness directional diffuse reflection directional discontinuity radiator directional distance protection directional distance relay directional distribution directional divergence directional dominance directional dose equivalent directional drilling 蝼蝼蛄穿大衫，硬充土神仙螃蟹不忘横着爬螃蟹夹豌豆，滚滚滚螃蟹夹豌豆，连滚带爬螃蟹夹豌豆，连爬带滚螃蟹打皮寒，八个爪叉着螃蟹把来放了，鸡蛋倒把来缚了螃蟹的脚杆，弯弯多螃蟹脚，弯弯儿多螃蟹走路，横行霸道冤钱冤鬼冤魂冥冥佑冥冥冥器冥契冥婚冥宝