to guard against  防止; 预防

auto guard against theft  汽车防盗

Guard against Theft  防盗; 防盗抢; 防窃; 防盗性; 防盔; 防盗报警; 防监

Guard against theft and alarm  防盗报警

guard against theft and alarm orientation  防盗报警定位

Guard Against Theft and Alarm System  防盗报警系统; 防盗报警

Guard against theft and monitor system  防盗监控系统

guard against theft annunciator  防盗报警器

guard against theft system  防盗系统; 防盗

antiserum against to GAS41  抗GAS41多抗

Contrastive mass-to-electricity  对比质电比

drop the electricity to protect  掉电保护

heat to electricity conversion  热电转化

Heat to electricity direct conversion  热电直接转换技术

light to electricity conversion  光电转换

light-to-electricity conversion efficiency  光电转换效率

Mass-to-electricity  质电比

not to let down their guard against the disease  防御疾病不要放松

price ratio of electricity to gas  电气比价