客车车厢防雨密封性检测
rain proof performance test for automobiles
列车车厢
passenger train compartment
商用车车厢
commercial vehicle cargo body
在缆车车厢内进食
Consuming food in tramcar
被动吸烟
smoking
Passive cigarette smoking
second hand smoking
Secondhand smoke
passive smoking
passive-smoking
cigarette smoking
passivity smoking
osteocalcin
second hand smoke
passive smoker
Passine smoking
passive smoke
second-hand smoking
不准吸烟和系好安全带标志
no smoking and fasten seat belt sign