Liangjian: in the Beginning, He Rubbed the Flying Thunder Cannon with His Hand, and Lao Lile Went Crazy!

"What?! I, a doctor of military industry in the 21st century, actually traveled to the world of "Bright Sword" and became the helpless student Lin Mo?!" Li Yunlong: "Damn it! How can a white-faced scholar be so useless?!" Lin Mo sneered: "Captain Li, give me three days and I will triple the power of your grenades!" Are the Japanese gun towers indestructible? Lin Mo: "Bring the gasoline barrel, watch me rub your hand into a 'heartless cannon', and send it to the west with one shot!" Since then, the style of the independent group has changed dramatically! Li Yunlong: "Brother Lin! Italian cannons... Oh no, when will we get more of our 'Lin's Powerful Cannons'?!" Enemy: "Baga! Where did this Tubal Road get its black technology?! How come their firepower is more powerful than ours?!"