题目内容

硬质梯子的横档应嵌在支柱上，阶梯的距离不应大于（）并在梯顶1米处设限高标志

查看答案

搜索结果不匹配？点我反馈

更多问题

节流压井管汇试压应试到额定工作压力，稳压时间不得少于（）min，保证无渗漏。

视觉信息特征提取理论中，目前大体有两种功能柱理论，即（）理论和（）理论。

Any oil tanker which is not required to be provided with segregated ballast tanks in accordance with this paragraph may，however，be qualified as a segregated ballast tanker （）it complies with the other requirements of paragraphs of this Convention.

A. provided that
B. on the part of
C. nevertheless
D. notwithstanding

简述电视广告创意的特征。