单选题
发布日期:2021-03-22
flashlight
combustible gas indicator
self-contained breathing apparatus
fire axe
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自动喷水灭火系统配水管道采用内外壁热镀锌钢管或铜管、涂覆钢管和不锈钢管,工作压力不应大于( ) MPa。
地西泮()。
机械打磨羽状边,选用()干磨砂纸为宜。
斜坡堤砂垫层施工时,砂的粒径应符合设计要求,含泥量不宜大于()。
如不制备血液成分,采血后血袋应储存在:()
甲公司于2015年12月3日从乙公司购入一批商品并已验收入库。取得的增值税专用发票上注明该批商品的价款为40万元,增值税税额为6.8万元。合同中规定的现金折扣条件为2/10,1/20,n/30,假定计算现金折扣时考虑增值税。甲企业在2015年12月15日付清货款。则甲企业购买该产品时应付账款的人账价值为()万元。
骨髓穿刺术的禁忌症包括()
疲劳性骨折常常发生在下述哪个部位()。
()是用于把高压蒸气的热量传送给外界的空气。
简述国外行业对于职业道德的要求是什么?
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