In order to investigate the influence of the solid particle on the zincous electrlbath's voltage and the quality and output of depositing zinc in zinc electrowinning ,two different type of filters are introduced to carry out the filtration experiment of electrolysis mixture liquid.

采用兩種不同類型的過濾機進行鋅電解混合液的過濾除雜試驗，分析了過濾除雜對電解槽電壓以及對析出鋅產(chǎn)量和質(zhì)量的影響免费在线永久观看黄色视频。

Recent years, several malignant accidents that brought serious loss of property and personnel have taken place successively in course of producing, transporting, depositing and using the emulsion explosive, which increasingly make people have cognizance of considerable fatalness of emulsion explosive and begin to research its fatalness.

近年來av78摸.com，乳化炸藥在生產(chǎn)欧洲精品视频免费播放、運輸三级毛视频、儲存和使用過程中先后發(fā)生了多起財產(chǎn)損失和人員傷亡的惡性事故巨屌插逼视频，這使人們逐漸認識到了乳化炸藥也具有相當(dāng)?shù)奈ｋU性，并開始重視對其危險性進行研究欧美熟妇XXXX性潮喷。

Recent years, several malignant accidents that brought about fearful loss of property and personnel took place successively in the course of producing, transporting, depositing, using and burning down the emulsion explosive, and people slowly have cognizance of emulsion explosive bearing considerable fatalness and begin making a point of researching its fatalness.

近年來欧美插插影院，乳化炸藥在生產(chǎn)、運輸国产操B在线、儲藏亚洲黄片在线免费视频、使用和廢藥銷毀過程中先后發(fā)生了多起財產(chǎn)損失国产老色批在线观看视频、人員傷亡的惡性事故，由此人們漸漸認識到乳化炸藥也具有相當(dāng)?shù)奈ｋU性美女的黄视频，開始重視對其危險性的研究中文字幕小说专区亚洲图片。

It is a new domain that rubbish-depositing was emerged by quicken citifying in our country.

隨著我國城市化進程的加快，垃圾問題成為城市文明的一個新課題亚洲字幕在线第6页。

Soil erosion is defined as the course of destroying, denudating, moving and depositing of soil and other substances on the ground, under the actions of hydraulic forces, wind, gravity and freeze-thaw.

土壤侵蝕是指在水力、風(fēng)力中文字幕在线播放欧美日韩、重力十八操逼视频、凍融以及其它外營力作用下土壤、土壤母質(zhì)及其它地面組成物質(zhì)如巖屑在线观看精品17页免费网站、松散巖層等亚洲一级黄片欧美一级黄片，被破壞、剝蝕欧美一级婬片人妻欧美大片人、運轉(zhuǎn)碰超免费人妻中文字幕、沉積的過程。

It is concluded that the Ag granules deoxidized in solution infiltrated into substrate while depositing on surface of substrate.

目前污黄网站日韩aⅴ，國內(nèi)外多數(shù)使用短波長的激光(如Ar+天天日天天射天天舔、氦氖及Nd：YAG等)作為誘導(dǎo)光源，從各種介質(zhì)中誘導(dǎo)金屬沉積[4]黄网站无码的视频。

They have good promotions, and seem to take care of their depositing players well.

他們具有良好的推廣久久久精品首页，而且似乎要照顧他們的球員也存放。

So you'll be depositing it today.

你今天會存吧网络视频偷拍网？

It was at the bank, and I was depositing a stack of checks.

那是一次在銀行十八岁以下禁止看的黄，我正在存一些支票。

So now, there is much talk about Rivals and how little play time we have when depositing there.

所以你懂的网页，現(xiàn)在又硬又爽又粗又长的视频，有不少人談?wù)摰母偁帉κ郑约叭绾伟l(fā)揮一點時間最新超碰在线免费观看，我們已經(jīng)在交存那里色欲色偷偷综合网。