XPS foamed board, has a perfect closed - pore alveolate structure.
XPS擠出聚苯乙烯發(fā)泡板材, 具有完美的閉孔蜂窩狀結(jié)構(gòu).
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An alveolate coordinate system which reflects actual distribution law of shell arrangement was proposed.
提出了蜂窩網(wǎng)格坐標(biāo)系,該坐標(biāo)系客觀反映了炮彈排列的實(shí)際分布規(guī)律.
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