But for most of us, red-crowned crane is the type we've heard most.

但是對于我們大多數(shù)人來說，丹頂鶴應(yīng)該是我們聽的最多的欧美xxxx18。

Our company is production workshop with the professional crane manufacturers.

我公司是生產(chǎn)車間用起重機(jī)的專業(yè)廠家自拍偷拍第6页。

My company is design and manufacture of crane hoisting rigging professional company.

我公司是設(shè)計制造起重吊裝索具的專業(yè)公司97人伦人妻对对碰免费看。

In this paper,the torque of load pulley block of architecture crane is discussed in detail.

本文對建筑起重機(jī)載重滑輪組的扭轉(zhuǎn)問題進(jìn)行了較詳細(xì)的討論免费Jizz国产精品网站，并提供了具體的實(shí)驗數(shù)

Know how to react to changes in conditions that affect the safe operation of the crane.

知道如何作出反應(yīng)的變化特黄A级毛片免费官方网站，條件，影響安全運(yùn)行的起重機(jī)番茄社区android下载。

Standing this close to him, i really had to crane my neck to see his face.

站在離他那么近的地方偷拍网久久网站，我真得伸長肚子才能看到他的臉。

Can't you see that I am a very special crane?

難道你們看不出我是一只特別的鶴婷婷深爱99精品五月在线视频？

Overall design is important for crawler crane design.

總體設(shè)計是履帶起重機(jī)設(shè)計的核心部分学生妹人人操。

This article has described the crossbeam structure of the teeming crane and the influencing factor for the manufacturing quality.

介紹了鑄造起重機(jī)的主梁結(jié)構(gòu)以及影響制造質(zhì)量的因素。

This paper analyzed the structure of crane crossbeam in the use of its conventional mechanics analysis.

文章分析了起重機(jī)橫梁傳統(tǒng)結(jié)構(gòu)力學(xué)方法九九热线国产精品视频6。