The quality of dray machine and layers control set themselves and the quality of their installation influence directly the safety, equability and noises of the elevators' running. Only they were installed and adjusted correctly and the level of operation, maintain and management were improved, the safety of elevators' running can be ensured, and the utilization ratio of equipment be improved.

曳引機(jī)和電控系統(tǒng)的本身質(zhì)量與安裝質(zhì)量直接影響電梯運(yùn)行的安全性麻豆精品久久精品色综合、平穩(wěn)性和噪聲18性欧美深喉口爆视频，只有正確安裝與調(diào)整永久黄网免费看，提高使用性爽交免费视频、維護(hù)和管理水平色呦呦在线视频免费观看，才能保證電梯安全、正常地運(yùn)行亚洲色了，提高設(shè)備的利用率99久久国产综合精品婷婷。

But at present in our country the rolling mill utilization ratio and the output compares with units energy consumption hour of the Middle-thicken Plate are very low. Especially in the stage of rough rolling, because of utilization rate of equipment is not enough the rolling cycle of each steel is too long, thus it result in lower producing and more energy consumption.

但目前國(guó)內(nèi)中厚板軋機(jī)利用率，小時(shí)產(chǎn)量和單位能耗比都較低午夜影院三级，尤其對(duì)于中厚板生產(chǎn)粗軋階段由于設(shè)備利用率不夠91精品视频网，每塊鋼的軋制周期時(shí)間太長(zhǎng)，從而導(dǎo)致產(chǎn)能低黄片免费看的AAA，能源消耗大的情況视频一区二区在线观看。

The power efficiency of this equipment is the best at the rotate speed of 120rpm, when total oxygen transfer coefficient and oxygen utilization ratio are also high.

與其它設(shè)備的充氧特性和經(jīng)濟(jì)性能比較，該曝氣設(shè)備的充氧能力和氧利用率都相當(dāng)大九九一级黄色视频，為其處理高濃度污水提供了必要的保證国产丝袜在线观看视频黄，動(dòng)力效率也滿足一般要求，具有較大的研究?jī)r(jià)值久久久久久久精品电影网。