cafe

둘다 환봉을 가공하여 구멍을 내는게 아닌가요? 제가 pipe 쪽으로는 문외한이라 질문 드려요. 그리고 추가적으로, Straight bar와 Tapered bar 는 drilled bar의 제작 방법의 차이가 아닌가요?

Liberation Army reported. According to photos released by the PLA, Carriers CNS Liaoning (16) and CNS Shandong (17) drilled together, leading the formation with 12 carrier-based J-15 fighters flying overhead and 11 PLAN surface ships. In...

levels in the Texas portion of the Smackover. In March 2023, Standard Lithium, a Canadian company, announced it had drilled a well that tested at 634 milligrams per liter, reportedly in Cass County. Overnight, leasing activity in the...

drill holes in mines? It is similar to this situation. You may be asleep, but I am doing this work. I have already drilled a hole and have placed dynamite in it. Now, all you have to do is put on a wick and light it, and it will explode...