top material

基本解釋

With rising of temperature, top material in the temperature-sensing working move to port A.
隨著溫度升高，感溫元件（閥芯）內(nèi)的頂桿，向A口移動。
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The top material admission balance, gas admission, gas exhaust effect of the uniformity of fluidized heights in multistage fluidized bed were studied.
研究了頂層進(jìn)料均勻性、進(jìn)氣及排氣方式對多層流化床流化料層高度均勻性的影響。
Said production method includes the following steps: making a top material and a bottom material be tightly combined together by closing their peripheral edges so as to form a hollow cavity chamber;
該頂材料，是以具延展性材料制成，并以邊緣重疊地貼合于該底材料的一頂面；該中空容室，是由該頂、底材料密合后所構(gòu)成的密封腔室；
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One such material is asphalt, a substance often placed on top of buildings and used to cover road surfaces.

Antique gun collectors take notice: on Nov. 15, 16, and 17 in San Francisco, premier firearms auctioneer Greg Martin is holding a series of four sales loaded with top material.
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At that range the wadding material could penetrate the top and bottom of a combat boot and the intervening biological material.
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