mechanical draft

基本解釋

This kind of boiler without mechanical ventilation of blowers and induced draft fans is distinguished as natural draft boilers.
這種不採用鼓、引風機機械通風的鍋爐，稱之爲自然通風鍋爐。
bzfyw.com
The foam stability of draft beer was decreased by lowering temperature quickly and the mechanical shear power which yeast cell could be damaged.
降溫速度過快、離心泵及薄板換熱器的機械剪切力會破壞酵母細胞，降低純生啤酒泡沫穩(wěn)定性。
I will be doing a good job working, and keep on to study mechanical knowledge and 2D mechanical draft, to reserve sufficient knowledge in preparation for the opportunity.
我將在做好本職工作的的同時，繼續(xù)努力學習機械方麪的相關(guān)知識以及2D機械圖，以儲備足夠的知識，準備迎接機會的到來。