developing or opening in succession from base to apex
The mouth or anterior opening of a coelenterate animal.
a small recess opening off a larger room
the excretory opening at the end of the alimentary canal
n the excretory opening at the end of the alimentary canal
access(ing) opening
[化] 检修孔; 检修口
air opening
[机] 风洞
allowable opening diameter
[化] 允许开孔直径
anodal opening
[医] 阳极断电
anodal opening clonus
[医] 阳极断电阵挛
anodal opening contraction
[医] 阳极断电收缩
anodal opening tetanus
[医] 阳极断电强直
around opening
[化] 环绕开孔
at the opening
[经] 开始价格, 开盘时, 开盘价
barrel end opening
[机] 桶端开口
bid opening
[经] 开标
bid opening procedures
[经] 开标程序
birth opening
[医] 产孔
burner opening
[机] 燃烧器口
cathodal opening contraction
[医] 阴极断电收缩
cathodal opening tetanus
[医] 阴极断电强直
charging opening
[机] 加料口
chess opening
[网络] 国际象棋开放
circuit opening relay
[电] 开路继电
cleanout opening
[化] 清扫口(油罐)