3-target vacuum tube solar heater是什么热水器
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3-targetvacuumtubesolarheater是什么热水器3-targetvacuumtubesolarheater是什么热水器3-targetvacuumtubesolarheater是
3-target vacuum tube solar heater是什么热水器
3-target vacuum tube solar heater是什么热水器
3-target vacuum tube solar heater是什么热水器
真空管太阳能加热器
3-target vacuum tube solar heater是什么热水器
Vacuum Tube的意思
tube
tube
Tube
target
Target
英语翻译clap pipe triangleTripodsconical flasksVolumetric flaskMeasuring cylinderTeat/dropping pipetteGraduated pipettePipette fillerSpatulaBurette standThistle funnelBuchner/vacuum flaskTest tubesTest tube rackBoiling tubeRound bottomed flaskCon
请问这句句型怎么分析?This meant that the advent of smaller,faster,more reliable and less expensive computers than that were possible with vacuum-tube machines.
vacuum 是
vacuum是什么意思
英语翻译The vacuum tube,invented near the beginning of our century,gave us the use of radio waves,an energy source never before captured,and later opened the road for television.
1.in an x-ray tube,electrons striking a target are brought to rest,causing x-rays to be emitted.in a particular x-ray tube,the maximum frequency of the emitted continuum x-ray spectrum is F0,if the voltage across the tube is doubled,the maximum frequ
LED TUBE
tube是什么意思
tube tunic
tube是什么意思
sex tube