Medium frequency transformer quenching is used for workpiece diathermy, quenching, annealing, brazing, etc.中频淬火变压器用于工件的透热 、 淬火 、 退火 、 弯管钎焊等工艺.sample workpiece样件, 样品Light - vehicle headlamp reflector is constituted of par...
Payne gained a reputation for sound, if orthodox, views...虽然观点正统，但佩恩合乎情理的见解还是令他为人称道。Payne lost his driving licence a year ago for drink-driving.佩恩一年前因为酒后驾驶而被吊销了执照。Payne lost his driving licence a year ago for drink-drivi...
从 “ 小珠 ” 到 “ 泛珠 ” --珠江三角洲区域发展历程回顾及展望.From'small pearl river delta " to " pan pearl river delta "试用铲斗和阿基米德螺杆把塑料小珠来回传送.Make the plastic beads circulate with simple bucket scoops and the Archimedes Screw.如果阿司匹林发挥抗血小板作用...