special caliber的意思|示意

A novel laser screen method with retroreflector for velocity measurement is introduced for some special velocity measuring occasions like wide spreading range or large caliber projectiles.

为满足弹道散布范围大或大口径弹丸的测速场合，提出了一种原向反射式激光光幕测速的方法。

Special tapered shape, makes sure that fillings can open easily or properly shrink to suiting different caliber.

独有的外动凹槽形状，确保充填物容易打开或适当缩小以适应不同口径的缺损。

Large caliber cementing is a special operation in offshore drilling engineering.

大管径固井是海上钻井工程中一项特殊的作业环节。