... acid-proof valve 耐酸阀 acid-proof varnish 耐酸漆 acid-proof working suit 耐酸工作服 21世纪教育网 ...
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acid-proof varnish 耐酸清漆 acid-protection coating 耐酸涂层acoustic absorbent 吸音材料acoustic construction 隔声构造acoustic design 声学设计,音质设...
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grey acid-proof varnish 灰色耐酸漆
white acid-proof varnish 无酸白清漆
acid-proof asphalt varnish 耐酸沥清漆
acid proof asphalt varnish 耐酸沥青清漆
acid proof spirit varnish 耐酸挥发清漆 ; 抗酸挥发清漆
acid-proof irit varnish 抗酸挥发清漆
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