查询词典 crossing over

grade crossing signal：道口信号,道口信号机

grade crossing predictor 道口信号预报器 | grade crossing signal 道口信号,道口信号机 | grade die sort 芯片组分类

letter box mailbox：信筒

220 出租房 let lease, rent | 22t 信筒 letter box mailbox | 222 平面交口 level crossing railroad crossing

level crossing accidents：道口事故

59 道口安全 crossing safety | 60 道口事故 level crossing accidents | 61 轨道电路 track circuit

life belt life preserver：救生带,安全带

222 平面交口 level crossing railroad crossing | 223 救生带,安全带 life belt life preserver | 224 救生员 life saver lifeguard

motorway parkway：高速公路

立交桥 flyover overpass | 高速公路 motorway parkway | 人行横道 zebra crossing pedestrian crossing

platform car, flat car：平车

bell and whistle sign, whistle sign 鸣笛预告标 | platform car, flat car 平车 | grade crossing, level crossing (道路与铁路的)平面交叉

sequence of up-crossing zero points：上穿零点序列

零电流检测:the measuring device for detecting current crossing zero | 上穿零点序列:sequence of up-crossing zero points | 零能误差机制:Zero energy-error

unguarded crossing：無人看守平交道

10976 ungated road crossing 無欄木道口 | 10977 unguarded crossing 無人看守平交道 | 10978 uni-directional line 單向運行線路

Crossing with movable wing rail：可動翼軌之岔心

2482 crossing with movable point 可動心軌轍叉 | 2483 crossing with movable wing rail 可動翼軌之岔心 | 2485 crossover 橫渡線

zebra crossing pedestrian crossing：人行横道

高速公路 motorway parkway | 人行横道 zebra crossing pedestrian crossing | 商店 shop store

BOXEN INTERNATIONAL LIMITED：(博成国际有限公司)

571908 BOWEN PROPERTY AGENCY LIMITED (宝云置业有限公司) | 380193 BOXEN INTERNATIONAL LIMITED (博成国际有限公司) | 159389 BOXYUE LIMITED (博誉有限公司)

air filter：空气过滤器

空气过滤器(air filter)指用于制备无菌空气的纤维介质床或超细滤膜过滤器. 纤维介质主要是棉花,常用的滤膜是玻璃纤维滤膜和孔径为0.2μm的聚四氟乙烯滤膜. 过滤器使用前本身应用蒸气或其他方法灭菌. 通过过滤器的空气事先进行除尘、除水滴,