GB14881《食品企业通用卫生规范》规定,检验场所工作面混合照度不应低于220lx 发布时间:2017-09-04 13:44 │ 来源:www.tikuol.com 题型:判断题 问题: GB14881《食品企业通用卫生规范》规定,检验场所工作面混合照度不应低于220lx。
题型:判断题 Many strange new means of transport have been developed in our century, the strangest of _______ being perhaps the hovercraft(气垫船).A.whichB.themC.thatD.it 查看答案