box-box  订

box-box connection  双母螺纹接头; 批

Junction Box， Connection Box， Connector Box  分线盒

alert limit and alert district  警限与警区

Box Body， Box Cover  盒体、盒盖

box-girder and box-pier  箱梁与箱形墩

box-on-box  可编程片上系统

box-on-box type substructure  箱叠式底座

box-type negative-pressure boiling dry-box  箱式负压沸腾干燥箱

continuous box girder with one box double cells  单箱双室连续箱梁

Goldberg-Hogness box (TATA box) TATA  框盒

internet in a box software Internet in a box  软件

single box double room box girder  单箱双室箱梁

act rashly and alert the enemy  打草惊蛇

air alert  对空警戒; 空中警戒; 空袭警报

air alert mission  对空警戒任务

air alert warning  空袭警报; 每日检查

air pollution alert  空[气]污[染]预警

airborne alert  空中警戒