1.
inner flat keel
内平板龙骨内龙骨内龙骨
2.
a horizontal beam (or plate) connected to the top of a ship's vertical keel or to the keelson.
连接船只的直立龙骨的顶部和内龙骨的平板。
3.
A timber or girder fastened above and parallel to the keel of a ship or boat for additional strength.
内龙骨固定在船或舟的龙骨之上或与之平行的木材或桁，以加强船的力量
4.
centerline vertical keel
中内竖龙骨中间竖龙骨
5.
1 species: sensitive fern; in some classifications included in Polypodiaceae.
一个种；球子蕨；在一些分类中，包括在水龙骨科内。
6.
having a ridge or shaped like a ridge or the keel of a ship: a carinate sepal.
有脊或龙骨的，形状象脊或龙骨的：龙骨状萼片。
7.
having or shaped like a carina or keel.
形状象脊或龙骨，有脊或龙骨。
8.
More recently, some researchers have looked for respiratory turbinates in the nasal passages of dinosaurs.
最近，有些研究者们一直在恐龙鼻腔内寻找呼吸鼻甲骨。
9.
Ballast: Extra weight carried for stability, usually lodged in the keel.
压舱物：保持船体稳定额外重物。通常安装在龙骨内。
10.
(aeronautics) having a form maintained by a rigid keel-like structure as well as by internal gas pressure.
（航空学）其外形由坚固的、龙骨状的结构以及内部气压两者同时支撑。
11.
Steel furrings for buildings
GB/T11981-1989建筑用轻钢龙骨
12.
longitudinal metacentric height above keel
龙骨以上纵向稳心高度
13.
'Keel-hauling, was you?
“你们在谈拖龙骨的事？
14.
The keel of the boat was made of steel.
这船的龙骨是钢制的。
15.
The keel of the ship has been laid.
船的龙骨已经安好了。
16.
height of metacentre above keel
稳心在龙骨上的高度
17.
aeroglisseura quille laterale
带侧面龙骨的气垫船
18.
The first range or strake of planks laid next to a ship's keel.
龙骨翼板靠近船的龙骨的第一排厚板或船侧板