This gave him a valuable clue about the cause of the disease.many of the deaths were near the water pump in broad street.he also noticed that some houses had had no death.he had not foreseen this ,so he made further investigations,he discovered that these people worked in the pub at 7 cambridge street .they had been given free beer and so had not drunk the water from the punp.it seemed that the water was to blame.

他也注意到了一些房子沒有人死去久久综合色88888，他沒有對(duì)此深究久久国产精品一区，所以，他作了一個(gè)進(jìn)一步的調(diào)查干荡妇免费视频一区二区，他發(fā)現(xiàn)這些人們工作在劍橋七街的酒吧里中文字幕在线看一区二区，他們被給予了免費(fèi)的啤酒所以不需要去喝水泵里的水，看起來麻豆精品视频在线视频，應(yīng)該責(zé)備的是水求黄色免费网站。

The early 1960s is the rise of Hong Kong's construction industry of the times, the Project Springboard into the mechanical services immediately add production of the cement mixer, lifting crane, concrete transport aircraft carrier with some heavy machinery, etc., in the late 60's in Hong Kong on drought Period,"Yi Cheng," was made to different types of pumps to assist in the construction industry catering industry factories and other emergency needs of the industry, won the praise of the community.

60年代初是香港建筑業(yè)掘起的時(shí)代，毅成的機(jī)械服務(wù)隨即增添生產(chǎn)了水泥攪拌機(jī)中文字幕一区二区，起重吊機(jī)狂野欧美性激色啪XXXX网站，石屎運(yùn)輸帶傳送機(jī)一些較為重型機(jī)械等等aaaaaa日本，60年代末期的香港逢旱災(zāi)的時(shí)期，"毅成"隨即自制出不同類型的水泵以協(xié)助建筑業(yè)酒樓業(yè)工廠及其它行業(yè)的緊急需求一级花片免费直接观看，深得社會(huì)的一致好評(píng)AV网站免费。

Centrifugal pumps used in the error ...

離心式水泵使用中的誤區(qū)。5566资源在线。在线一级免费在线观看。

Chain Pump: Small buckets are fixed evenly on the chain. When the chain is turned, the water in the pool will be taken from a lower place to a higher one with the tins.

鏈條水泵：環(huán)鏈上均勻固定著一些小筒，轉(zhuǎn)動(dòng)鏈輪時(shí)一级e片网站，池中的水會(huì)隨著鏈輪上的小筒不斷地從低處提升到高處的容器中内地三级精品自拍。

Generator set, water pump, chain saw, sprayer.

7A08 發(fā)電機(jī)組，水泵白白色在线观看视频，鏈鋸在线黄网精品，噴霧器。

The Company is a professional manufacturer of generators, water pumps, chain saw, power of the private joint-stock Co., Ltd..

本公司是專業(yè)生產(chǎn)發(fā)電機(jī)国产主播秋霞，水泵一级黄片在线精彩视频免费播放，油鋸，動(dòng)力的私有股份制有限公司午夜性生活免费视频。

The product line has developed over the years and now includes submersible waste water pumps and Sewer Chewer? grinders.

這些產(chǎn)品系列經(jīng)過長時(shí)間的發(fā)展国产嫖妓凹凸视频，目前已包括污水潛水泵和污水顆粒研磨設(shè)備。

The original chinky eye emcee You don't want to step to the army And Double-R rank refugee And the battle of the gun is gonna make you speak another language And amigo I ain't talking about Spanish Ya'll gonna learn Chinese Ya'll gonna learn Chinese Ya'll gonna learn Chinese When the pumps come out, ya'll gon' speak Chinese Ya'll gonna learn Chinese Ya'll gonna wanna be Chinese Ya'll gonna learn Chinese When the pumps go off, ya'll gon' speak Chinese This one goes out to those that order four chicken wings And pork fried rice and throw dice In the hood, you think this is all good?

原chinky眼睛司儀你不想加強(qiáng)對(duì)軍隊(duì)和雙R等級(jí)難民的槍戰(zhàn)是gonna讓你講另一種語言和好友我是不是說關(guān)于西班牙Ya'll gonna學(xué)習(xí)中文Ya'll gonna學(xué)習(xí)中文Ya'll gonna學(xué)習(xí)中文時(shí)人人看人人摸人人操人人色，泵出來有色有爽，ya'll坤'講中文Ya'll gonna學(xué)習(xí)中文Ya'll gonna希望成為中國Ya'll gonna學(xué)習(xí)中文時(shí)，水泵引爆免费欧美在线，ya'll坤'發(fā)言中這一個(gè)外出那些為了四個(gè)雞翅膀亚洲女优操逼色视频，在引擎蓋豬肉炒飯和扔骰子，你認(rèn)為這是很好的免费一级特大爱黄片，直到所有的牛仔欧美很鲁视频在线观看？

Equip with the high and low pressure water pump pressure supply device in system, the test medium circulating storage use.

系統(tǒng)內(nèi)配置高，低壓水泵供壓裝置日本sewwwcom，試驗(yàn)介質(zhì)循環(huán)貯存使用久久夜色精品国产欧美一。

Equip with the high and low pressure water pump pressure supply device in system, the test medium circulating stage use.

系統(tǒng)內(nèi)配置高，低壓注水泵供壓裝置2020国内自拍视频，試驗(yàn)介質(zhì)循環(huán)貯存使用国产AV无码片毛片一级下载。