roof panel (roofing panel), special cross-section
节目录
section directory【计】
暂无补充释义。
section directory【计】
暂无补充释义。
roof panel (roofing panel), special cross-section
X-section
semithin section
standard stopping cross section【电子】
cross-section of grain【粮食】;cross-sectional area of bulk grain【粮食】;
section for gangway board and diving board
golden section method
golden section search