คำศัพท์ช่างภาษาอังกฤษ - ไทยที่คล้ายกัน
kilocycles per second kilometer per hour mile per hour minute Mixing Speed p.c Productivity R.P.M retort revolution per minute revolution per second thread per inch
kilocycles per second kilometer per hour mile per hour minute Mixing Speed p.c Productivity R.P.M retort revolution per minute revolution per second thread per inch