主页
学科
搜索
账户
常见问题
当前学科:工程维修、抢险
题目:
单选
干砌石坝表层砌石局部松动可()或拆除松动块石重新砌筑。
A . 灌浆
B . 塞垫嵌固
C . 勾缝
D . 砂浆抹面
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
患者女性,45岁。家庭聚餐暴食后1小时突发上腹部剧痛,伴发热、恶心、呕吐2小时来急诊。查体腹部压痛及腹肌紧张。患者既往体健,无溃疡与胆结石病史。此时下列护理措施,正确的是()
Dear Sirs, We refer to the contract No.4632 covering 500 dozen track suits. We wish to remind you that we have had no news from you about shipment of the goods. As we mentioned in our last letter, we are in urgent need of the goods and we may be compelled to seek an alternative source of supply. Under the circumstances, it is not possible for us to extend further our letter of credit No.1492, which expires on 21 August.Please understand how serious and urgent it is for us to resolve this matter. We look forward to receiving your shipping advice, by fax, within the next seven days. Yours faithfully,
环境污染的概念是()
产后10日,寒战后高热,左下肢持续性疼痛伴水肿,皮肤发白,应为()
对薄壁的铸造零件和焊接零件来受,在加工之前应作()处理。
初孕妇,孕29周,展醒发现阴道流血,量多,色鲜红,伴心悸()
既能凉血退蒸,又可清泄肺热的药物是()
下颌磨牙的牙冠成长方形,近远中径大于颊舌径,关于下颌第一磨牙牙合面不汇聚到中央点隙的发育沟是()。
宴乐,又称作燕乐,是中国隋、唐至明朝的宫廷中饮宴时,提供用于欣赏的,艺术性很强的歌舞音乐。()