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BZN-in Guashi Arm Crane Arm beam the use of hollow steel structure, self-respect light, high strength, rigid, and simple structure, easy to operate.

BZN型內(nèi)掛式旋臂起重機(jī)旋臂梁采用空心型鋼結(jié)構(gòu)成人日韩欧美在线电影，自重輕国内乱能揄拍国内精品人妻、強(qiáng)度高、剛性好日本乱子伦视频、結(jié)構(gòu)簡(jiǎn)單黄色无码视频在线免费观看，操作方便。

Plate and beam is the element of over head traveling crane. Crack damage of plates and beams is the main fault forms of structure.

板和梁是冶金橋式起重機(jī)金屬結(jié)構(gòu)的基本組成單元国产yyzz，而這些金屬結(jié)構(gòu)的損傷多以板啪啪一级视频、梁的疲勞裂紋表現(xiàn)其故障形式。

Mainly produces various specifications of the belt conveyor series, single-and double-beam bridge, gantry crane, narrow-gauge industrial vehicles and forklifts, etc. Over the years, for coal, electricity, building materials, metallurgy, ports, machinery manufacturing, chemical industry and national key project to provide a great deal of equipment and services.

主要生產(chǎn)各種規(guī)格系列的膠帶輸送機(jī)特黄a大片免费视频、單雙梁橋式日韩欧美人妻综合在线、門式起重機(jī)、窄軌工礦車輛與叉車等国产zaixian自拍，多年來国产超碰人人做人人爱，為煤炭、電力国产91Av九色、建材18岁不能看的网址、冶金、港口1024看片无码人妻日韩、機(jī)械制造国产A片123区、化工等行業(yè)和國家重點(diǎn)工程提供了大量裝備和服務(wù)。

On it were many of the familiar species that have since become synonymous in the public's mind with endangerment: the black-footed ferret, the Florida panther, the whooping crane, the bald eagle, and of course, the California condor.

名單上有許多熟悉的物種，他們從那時(shí)起就成為公眾腦海中危險(xiǎn)的同義詞：黑腳雪貂国产黄色网站视频不收费的、佛羅里達(dá)黑豹亚洲爆乳教师av、美洲鶴、禿鷹美欧男女乱婬视频，當(dāng)然還有加州禿鷹国产又爽又黄又湿的视频。

One of Tibet's most sacred creatures is the black-necked crane.

黑頸鶴是西藏最神圣的生物。

Across the world, black-necked crane is the sole species of 15 kinds cranes living on plateau. Up to now, there are 7,000 black-necked cranes surviving in the world.

它是世界上迄今所發(fā)現(xiàn)的15種鶴中唯一生活在高原上的鶴類影音色资源，也是科學(xué)上記載最晚的一種鶴，全球僅存7000余只99超碰在线公开视。

The numbers of crane in sing-species flock were 65.3% of total black-necked cranes.

黑頸鶴的集群大小并不穩(wěn)定日韩性交网站，在日內(nèi)和月份間均有明顯變化(P=0.000.05)。

The black-necked crane and the Tibetan pheasant are under the first-grade State protection.

黑頸鶴和西藏雉雞被列為國家一級(jí)保護(hù)動(dòng)物欧洲老妇人与异性性交。

China, especially Sichuan, is very successful in giant panda breeding. And it's a very precious opportunity for him to see pandas and black-necked crane. In fluent Chinese, Mr.

中國尤其是四川在大熊貓繁育工作上是非常成功的黄色视频240版，能看到大熊貓、小熊貓及黑頸鶴等中國特有瀕危野生動(dòng)物也十分難得国产999精品自拍。