aThe Grand Canyon shows an impressive display of erosion and mother earth's natural beauty. 大峡谷显示侵蚀和大地的自然秀丽印象深刻的显示。[translate] a无电解镀镍 无电解答镀镍[translate] a会议批次 Conference raid[translate] aduration to maintain constant pressure drop across the filters and thus con...
aAC control circuits shall be derived from the relevant power supply system via the station supply transformer with a maximum permissible secondary voltage of the AC distribution voltage and maximum 5 % drop between no-load and rated load. AC控制电路从相关的电源系统将获得通过驻地供应变压器以AC发行...