Progress, principle and flow-formula, main error, application situation and prospect of bend pipe flowmeter are described.
主要叙述弯管流量计的进展、原理及流量公式、主要误差、应用情况以及前景等。
This article reported the current manufacturing situation of detergent alcohol and its derivatives, their application situation and prospect.
本文叙述了脂肪酸及其衍生物工业生产中的现状，以及在我国的应用情况和今后的前景展望。
The camellia oil is an excellent plant diet oil. The characteristic, refinement technics, current application situation and prospect of camellia oil were reviewed in this paper.
对茶油(一种优质的食用植物油)的性质、精炼工艺、应用现状作了简要的概述，并指出了茶油的发展前景。
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