Working out technology and controlling the quality on supporting roller of belt conveyor;2. Theoretical analysis of deviation prevention for rubber belt by the slotted supporting roller with an angle of lead dip;3. A kind of dumbbell typed entirety supporting roller used for supporting the carrying belt and the wind leaf bucket-dustpan typed accumulated material mopping up device employed in sweeping up the accumulated material in the tail section we.

借鑒消化國(guó)外輸送機(jī)械新技術(shù)av在线黄色网站，創(chuàng)新設(shè)計(jì)出具有全封閉式結(jié)構(gòu)午夜国产三级、拆卸性結(jié)構(gòu)及全程底板耐磨設(shè)計(jì)特點(diǎn)的帶式輸送機(jī)；用于支承輸送帶的一種啞鈴型整體式托輥国产欧美精品一区AⅤ，及用于自動(dòng)清掃尾段積料的風(fēng)葉畚斗式積料清掃器為其專有技術(shù)国产乱伦视频网址，這些結(jié)構(gòu)及技術(shù)保證了帶式輸送機(jī)整機(jī)性能優(yōu)良，輸送量高白色白色在线视频、帶速快五月婷网址，高效節(jié)能。

basic flow patterns in 3 types of suction boxes are studied respectively by both numerical calculation and model test, and the essential hydraulic indexes are listed. the boxes, including elbow inlet, bell-like inlet and dustpan-like inlet, are usually applied for vertical pump of low head.

采用數(shù)值計(jì)算和模型試驗(yàn)的方法分別研究了低揚(yáng)程立式泵裝置常用的肘形鐘形和簸箕形等三種形式進(jìn)水流道的基本流態(tài)黄色片A片网站，給出了表達(dá)這三種形式進(jìn)水流道水力性能的主要指標(biāo)在线播放免费人成试看。

Tangled with the dustpan and somewhat tend to reform it to cleaner, or cleaner composed by besom plus dustpan...

簸箕糾結(jié)，一度想改畫吸塵器，或是掃帚+簸箕合體吸塵器欧美XXXX超碰精品99。国产美女高潮视频一区。。

Following in the futuristic-dustpan tradition of George Orwell's 1984 , Fahrenheit 451 was published in 1953 and became Bradbury's most popular and widely read work of fiction.

繼在未來(lái)国产国语无码专区在线观看，簸箕傳統(tǒng)喬治奧威爾的1984年久久久久夜夜夜一级A片水蜜桃，華氏451度在1953年出版，并成為布雷德伯里最受歡迎的工作和廣泛閱讀的小說(shuō)三级片AAAA。

I'll give this to you now, if you tell me where we keep the dustpan.

只要你告訴我我們把畚箕放在哪里18在线观看黄网站，這個(gè)我現(xiàn)在給你

When they moved to the dustpan when the room, which there will be no sunshine.

等到他們把畚箕搬到房間里的時(shí)候，里面的陽(yáng)光就沒(méi)有了国产粉嫩午夜福利在线播放。

I've just broken a cup- have you got a dustpan and brush?

我剛打破了一個(gè)杯子-你這里有畚箕和掃帚嗎人人操人人色人人爽？

His neighbour was using one of his works as a dustpan.

他的鄰居當(dāng)時(shí)正把他的一幅作品拿來(lái)當(dāng)簸箕。

Finally, I have to sweep the dust off all together, loaded with dustpan, and into the trash.

最后农村老女人一级特黄大片，我把所有的灰塵都掃到一起亚洲国产黄色视频，用簸箕裝好，倒進(jìn)垃圾桶中亚洲欧美激情小说视频。

Broke your heart in so many pieces you had to pick it up with a dustpan!

把你的心傷成一片片的性交AAAAA片在线看，弄得你不得不用簸箕一點(diǎn)點(diǎn)撿起來(lái)！