For any megacity wishing to remain economically competitive, healthy air quality is a must.

對(duì)于任何一個(gè)像保持經(jīng)濟(jì)持續(xù)經(jīng)濟(jì)競(jìng)爭(zhēng)力的大城市來(lái)說(shuō)，良好的空氣質(zhì)量是必不可少的操学生妹视频。

Excellent product good service: Greenhouse climate controller is essential to manufacturing industry, a lot of work involved in agriculture, spinning mill, chemical engineering, machine, electronics, medical treatment, construction, automobile repair, food industry, foundry, flower, agriculture repair, food industry, foundry, flower, agriculture etc.

專業(yè)品質(zhì)精誠(chéng)服務(wù)：溫控設(shè)備是制造業(yè)過(guò)程中必不可少的設(shè)備97无码视频超级碰碰碰，好多工農(nóng)業(yè)領(lǐng)域都要使用到，紡織好黄色网站、化工巨大黑人极品video中国、機(jī)械、電子插进入视频、醫(yī)療16年黄色免费在线观看、網(wǎng)吧、汽車修理91影久久久、食品日一日射一射、鑄造、花卉国产欧美AAA√、農(nóng)木林等部門的應(yīng)用尤為廣泛国产v日韩免费在线观看。

Modularity is essential for the development of large-scale system software.

模塊化是構(gòu)造大型系統(tǒng)軟件必不可少的手段之一。

During this full moon holiday, sacrificial offerings and moon-gazing are essential customs.

在這樣一個(gè)月圓的節(jié)日里…性欧美视频A片AA片…，祭月日韩在线资源精品视频在线观看免费、賞月是必不可少的一種中秋習(xí)俗。

Purchasing useful gear for mountain biking is essential to making your bicycling more fun and enjoyable.

采購(gòu)有用齒輪山地自行車是必不可少的国产免费黄片精品视频2，使您的自行車更充滿樂趣和享受激情视频国产一区。

For those mainland comrades who couldn't make it all the way out to Taiwan for Pride, there's the new episode of QAF Beijing, were the hot girls and guys voguing for the crowds are as clear as in real life. But don't just stare listen and learn. This is essential viewing for any open minded citizen of the 21st century.

去不了的，那就別忘收看這一集的同志亦凡人www色色.com，驕傲行中搔首弄姿的帥哥美女www、色五月，看得比現(xiàn)場(chǎng)還清楚，但是也別光看不學(xué)国产真人一级做a片，做一個(gè)思想開放的現(xiàn)代人国产饥渴一区在线，驕傲行可是必不可少的一個(gè)環(huán)節(jié)。

The Venoms are essentially the eyes and ears of the force.

毒液是部隊(duì)必不可少得眼睛和耳朵色色综合五月天。

According to our customers, touchscreen is essential for fully utilising high-end multimedia features and the LG-KC910's interface has been developed to meet these requirements.

& &根據(jù)我們的顧客亚洲欧美天堂综合久久，觸摸屏是必不可少的久久亚洲人成综合网，充分利用高品質(zhì)的多媒體功能和LG - kc910的界面已發(fā)展到滿足這些要求。

The brothel creepers and the trilbys pushed casually back on the models' heads added the requisite fifties vibe.

超厚底的橡膠底鞋和呢子帽軍裝對(duì)于模特們來(lái)說(shuō)必不可少大黑吊日逼。

Because of these reasons, the detection of transgenic products has became indispensable and necessary.

由于安全性的問(wèn)題国产黄色网站在线，轉(zhuǎn)基因生物的檢測(cè)就變得必不可少，至關(guān)重要了黄色在线视频免费。