矩形風管 的英文怎麼說
中文拼音 [jǔxíngfēngguǎn]
矩形風管
英文
rectangular air duct-
Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips
精確的監測有助於提高鍋爐燃燒的安全型、經濟性，也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量，精度可達。本文首先研究鍋爐送風矩形大管道測量理論，提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。Ventilation for buildings. sheet metal air ducts and fittings with rectangular cross section. dimensions
建築物通風.矩形截面薄板金屬送氣管和配件.尺寸Ventilation for buildings - sheet metal air ducts with rectangular section - requirements for strength and leakage ; german version en 1507 : 2006
建築物通風.矩形面薄板金屬送氣管.強度和泄漏要求" no norms, no difference between cycle and square ". based on the needs of city guidance, by formulating laws, polices, and regulations and rules, and actively guiding the formation of norms, ethics, customs and every kinds of invisible restrictions, the city norm is a fundamental management function to restrict and predict the activities and behaviors of city government, social communities, city residents and entrepreneurs
「無以規矩，不成方圓」 ，城市規范就是根據城市導引的需要，通過制定法規、政策、行政條例和規章制度等成文法的有形文案，以及主動引導民間自發形成的風俗、道德、習慣等無形約束，對城市政府、社會團體、企事業單位和城市居民的社會活動及行為進行邊界約定與預警的一項基礎性管理職能。Ventilation for buildings - sheet metal air ducts and fittings with rectangular cross - section - dimensions
建築物通風.帶有矩形十字截面的薄板金屬空氣導管和配件.尺寸Ventilation and air conditioning - folded and welded rectangular sheet metal ducts
通風和空調設備.折疊的和焊接的矩形金屬薄板管道分享友人