After being stunned for only a moment, Chu Jungui came back to his senses and shouted: "Hurry up and build defensive positions! In addition to the original positions, we also need to build special positions for the equipment in your hands! How to build positions is in the manual of these heavy artillery pieces. All."
The students took out power shovels from their backpacks and began to dig their positions on the spot. A student who is proficient in surveying and mapping takes out several small optical distance meters and inserts them at the node of the position, and immediately a few low-visibility laser lines mark the outline of the position.
Chu Jungui also took out the power shovel and started digging at the forefront of the position. This power engineer shovel comes with inertial
