automatic closer的例句大全

discussion on automatic closer of stand-by power source in electric network

电网备用电源自投的实践与思考

discussion on incorrect action of automatic closer of stand-by power source

备用电源自投不正确动作有关问题的探讨

application of automatic closer of stand-by power source in 110 kv district power network

备用电源自投装置在地区110kV电网的应用

His creations included a solar cooker made out of an umbrella and tin foil, which did not work very well, and an automatic gate-closer made out of cement-filled tyres.

他的小发明包括利用雨伞和锡箔制造的一台运作不太好的太阳能烹饪机，用填满水泥的轮胎制造的自动关门机。

The world's only automatic door closer hinge.

世界唯一的自动合页闭门器.

I'd invented an automatic gate closer out of cement-filled tires, a solar cooker that didn't work very well out of an umbrella and tinfoil, baking-pan alarms to entrap my siblings.

我曾用水泥填充的轮胎、雨伞和锡箔以及报警器制作了一个自动关门器。