The smoke of cigarette contains extremely toxic Nicotine , Tar, nitrosamine ,Carbon monoxide and Radiation. This substances are directly or indirectly lead to lung cancer.

香煙煙霧中含有毒性極大的尼古丁、焦油、亞硝胺、一氧化碳、放射性物質(zhì)久草性爱，這些物質(zhì)都是直接或間接導(dǎo)致肺癌發(fā)生的兇手。

Tobacco smoke contains more than 60 carcinogens, among which polycyclic aromatic hydrocarbons and the tobacco-specific nitrosamine are likely to play major roles in lung carcinogenesis.

研究表明80%以上的肺癌可歸咎于煙草暴露国产免费女视频在线观看，而僅僅不到10%的吸煙者發(fā)展為肺癌中日韩A级毛片大全，提示個體對于肺癌具有遺傳易感性。

The tobacco-specific nitrosamine 4--1-(3-pyridyl)-1-butanol is present in the urine of tobacco users and, at lower concentrations, in the urine of nonsmokers exposed to secondhand smoke.

煙草特有的亞硝胺4--1-(3-吡啶)-1-丁醇存在于吸煙者和被動吸二手煙的非吸煙者人群的尿液中在线曰批视频大全免费，只是被動吸二手煙的非吸煙者人群尿液中的濃度更小好痛疼轻点好爽的视频。

No thanks, I don't smoke.

不，謝謝午夜看国产一区二区三区奸逼黄片，我不抽煙

If you smoke in the non-smoking area, I will feel very embarrassed.

如果你在非吸煙區(qū)抽煙免费观看A级毛片在线网站，我會覺得很尷尬。

This is a non-smoking flight; please do not smoke on board.

這是一個禁煙的航程欧美暴力性猛交黑人，請勿在飛機(jī)上吸煙

Chandler tries to shrug nonchalantly but eventually he has to exhale a mouthful of smoke.

錢德勒若無其事地聳聳肩99ri国产地址，最后他還是吐出了滿嘴的煙

Now developed the most advanced international fire insulation technology, specializing in the production of central air-conditioning duct, duct smoke, glass magnesium compound and noncombustible duct air duct A-plate.

公司目前研制國際最先進(jìn)的防火保溫技術(shù)，專業(yè)生產(chǎn)中央空調(diào)風(fēng)管国产免费黄色网站无码、防排煙風(fēng)管18岁.com、玻鎂復(fù)合風(fēng)管及不燃A級空調(diào)風(fēng)管板材。

According to the most unfavorable fire scenario for safety evaeuation, the AEST can be obtained through the spread of fire and smoke spread simulation. And the REST of different staff loads are calculated by empirical formula method. Through contrasting two times, whether evacuation passage setting can meet the evacuation requirements is confirmed, and then solutions are proposed. Then highway tunnel fire cause is discussed by Fault Tree Analysis method, and the effective measures to reduce the probability of tunnel fire are reducing the number of flammable materials and using fire-retardant or noncombustible materials for inner decoration are obtained.

以廈門金山寨隧道為例分析火災(zāi)時人員的安全疏散亚洲女人天堂网2020，針對隧道內(nèi)最不利人員安全疏散的火災(zāi)場景進(jìn)行分析特黄特大性爱视频，通過對火災(zāi)蔓延、煙氣擴(kuò)散進(jìn)行模擬獲得可用的人員安全疏散時間AEST九九线精品视频在线观看视频26，并用經(jīng)驗(yàn)公式法計算不同的人員荷載下必需的人員安全疏散時間REST亚洲一级二级黄片a国，對比兩個時間，判別當(dāng)前疏散通道的設(shè)置是否滿足人員疏散要求人人爽人人干人人操人人，并對不滿足安全疏散要求的工況提出解決方案。

Nono, i don't smoke.

不不91精品国产肉丝高跟在线，我不吸煙中国黄色a片在线观看。