查询词典 lead-covered

lead screw：丝杠

现在采用丝杠(lead screw)驱动的贴装机可以达到200微米精度,但产生的粉尘颗粒比较多,每立方米在15000-20000之间. 只有采用线性马达驱动的才能同时满足倒装片组装对精度和清洁度要求,设备生成的粉尘颗粒仅为每立方米558颗粒.

lead screw drive：丝杆

电传动:electric-drive | 丝杆:lead screw drive | 蒸汽驱:steam drive

precision lead screw：精密丝杠

precision lathe 精密车床 | precision lead screw 精密丝杠 | precision level 精密水准仪

constant lead screw：等螺距螺杆

constant hydrostatic head device 静水头调节装置 | constant lead screw 等螺距螺杆 | constant level device 恒液面装置

lead sulphate：硫酸铅

lead sulphate 硫酸铅 | sulphate of alumina 硫酸铝 | sulphating 硫酸化

lead screw tolerance：丝杆公差

螺母公差 nut tolerance | 丝杆公差 lead screw tolerance | 外螺纹公差带 tolerance zone of male threads

Tolerance limit of lead in foods：食品中铅限量卫生标准

食(饮)具消毒卫生标准 Hygienic standard for disinfection of dinner and drinking set | 食品中铅限量卫生标准 Tolerance limit of lead in foods | 硅藻土卫生标准 Hygienic standard of diatomaceous earth

lead tree：萨图尼树,铅树

larch-tree 日本落叶松 | lead tree 萨图尼树; 铅树 | leave tree 保留树木

lead tree：粉末银合欢木

甜果来昂堇(菜)木 trapiarana | 粉末银合欢木 lead tree | 新西兰肖柏 NewZealand cedar;New Zealand cypress

ipil-ipil; Leucaena leucocephala; lead tree：银合欢

吐根(植物) ipecac; ipecacuanha | 银合欢 ipil-ipil; Leucaena leucocephala; lead tree | 传染性胰脏坏死(鱼) IPN; infectious pancreatic necrosis

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant