查询词典 derrick block

derrick block：提升滑轮

井架底座 derrick base | 提升滑轮 derrick block | 起货吊杆 derrick boom

derrick block：钻井架提升滑轮

绞盘柱 derrick bitt | 钻井架提升滑轮 derrick block | 起重船 derrick boat

derrick heel block：吊杆底导向滑车

derrick heading fitting 吊杆头装置 | derrick heel block 吊杆底导向滑车 | derrick heel cross pin 吊杆根部横销

derrick head block：吊杆头滑车

derrick guy 吊杆张索 | derrick head block 吊杆头滑车 | derrick head cargo block 吊杆头起重滑车

derrick head cargo block：吊杆头起货滑车

derrick guy 吊杆稳索 | derrick head cargo block 吊杆头起货滑车 | derrick kingpost 起重桅杆

derrick head cargo block：上吊货滑车

derrick head cargo block 吊杆头起重滑车 | derrick head cargo block 上吊货滑车 | derrick head fitting 吊杆头装置

derrick head cargo block：吊杆头起重滑车

derrick head block 吊杆头滑车 | derrick head cargo block 吊杆头起重滑车 | derrick head cargo block 上吊货滑车

derrick head cargo block：杆顶吊货滑车

吊杆张索 derrick guy | 杆顶吊货滑车 derrick head cargo block | 杆顶问牵索滑车 derrick head span block

derrick head span block：吊杆头跨绳滑车

derrick head fitting 吊杆头装置 | derrick head span block 吊杆头跨绳滑车 | derrick head 吊杆端

derrick head span block：杆顶问牵索滑车

杆顶吊货滑车 derrick head cargo block | 杆顶问牵索滑车 derrick head span block | 吊杆叉头 derrick heel

functional catches：活动把手生耳

回零针 fly-back hand | 混合表 combo watch | 活动把手生耳 functional catches

parametric linear programming：参数线性规划

参数模型|parameter model | 参数线性规划|parametric linear programming | 参数最优化|parameter optimization