All large ships now have a wireless installation.所有的大型船舶现在都有无线电装置.He sent a letter inviting Naomi to attend his installation as chief of his tribe.他给娜奥米寄了封信,邀请她来参加他就任部落酋长的仪式。Hundreds of lives could be saved if the instal...
Cambered surface loading, high precision and high reliability. Easy installation and changing.弧面承载方式 、 高精度和高可靠性,稳定性好. 安装方便,互换性好.Hundreds of lives could be saved if the installation of alarms was more widespread.如果报警器得到更广...