bale, casc (barrel), wood, roller, stone, vacuum-gripper, two-arm gripper
【电学】有集中电子流设施的真空电子管
vacuum tube with means for concentration of electron stream
暂无补充释义。
vacuum tube with means for concentration of electron stream
暂无补充释义。
bale, casc (barrel), wood, roller, stone, vacuum-gripper, two-arm gripper
vacuum equipment
vacuum seal
vacuum-tube clipping circuit
ionization(vacuum) gauge
high-vacuum science【真空】
vacuum manometer
high-vacuum insulation