breathing apparatus of filter type dust respirator fume re irator fume respirator
Related Translations:
呼吸: 1.(生物体同外界进行气体交换) breathe; respire 短语和例子出去呼吸新鲜空气 go out for a breath of fresh air; 用鼻孔[嘴] 呼吸 breathe through the nostrils [mouth]; 我又能像个自由人一样呼吸了。 once again i breathed as a free man.2.breat
过滤: [工业] filter; filtrate; screening; colation; filtration; filtering; lautering; colating; straining; filterion 短语和例子用沙过滤的 filtered through the sand; 固体颗粒从溶液中过滤出来。 the solid particles were fi
