英语词汇“back of tool”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	back of tool
释义	back of tool 基本例句刀背 I remember that the most early practicality of shark head was appeared in Mongolia and strips in tumulus from Liao dynasty,its back has two shark apices!记起来了，最早鲨鱼头的实物是内蒙一辽代古墓出土的刀条，刀背是连续的两个鲨鱼峰！
随便看	Optimization of the technology optimization of time-space resource optimization of traffic line and network optimization of training set optimization of trajectories optimization of trajectory optimization of transport networks optimization of troops mobile path optimization of unary operator optimization of uncertainty design optimization of urban space Optimization of ventilation system optimization of vertical curves optimization of voltage optimization of waste haulage optimization of water distribution model optimization of water injection system optimization of water project operation optimization of water supply optimization of wear ability function optimization of web site optimization of welfare optimization of well location optimization of well pattem optimization of wells