The caudal peduncle is very slender and includes three sets of keels.
尾端的花梗很细，包括三组龙骨。
If he keels over backwards, he loses...
如果他向后倒下，就失败。
He'll probably be selling those Iguana Bits of his till he keels over dead.
如果他还没有死翘翘，他很可能在卖他的蜥蜴串。
As only a very general rule, most sailboats over 20-something feet have fixed keels.
作为一条通常规律，大部分20英尺以上的帆船使用固定龙骨。
The design, fabrication and strengthen of panels, main keels and minor keels are discussed.
论述面板、主、次龙骨的设计、加工、加固及施工中注意事项。
Sailboats have many different types of fixed keels, such as full keels (see photo) and fin keels.
帆船有许多种不同类型的固定龙骨，例如全龙骨(见上图)及鳍板。
For T-50 will probably be easier to change the collapse of the keels, provided that this does not affect visibility.
对于T - 50，在不影响外形的情况下改变龙骨断裂可能会容易一些。
Our main products are all grade of S4S furniture timber kit, KD timber, Flooring Keels, Ceiling Keels, strip and so on.
经营产品主要有各种规格和等级的家具刨光套材，烘干规格料、板材、地板龙骨、吊顶龙骨、白松条等。
If you are shopping for a sailboat in this range, you should understand the differences between these fundamental types of keels.
若你是在这个尺寸范围内寻购帆船，那你应该学习了解一下龙骨的这些基本类型之间的差别。
The keels, finlets, and corselet help direct the flow of water over the body surface in such as way as to reduce resistance (see the figure).
龙骨，小鳍和盔甲帮助引导水流流过身体表面，他们用这种方式来降低水的阻力（看图示）。
The sergeant takes another swig of coffee and focuses his mind on Goat Number 17 - which promptly lets out a silent bleat, keels over and dies.
中士又喝了一大口咖啡，把自己的意念集中在17号山羊身上，那只羊立刻无声地叫唤了一下，失去平衡倒地而亡。
Corrosion on Aluminum vessels is also generally in the form of localized pitting to the hull plate, rudders, bilge keels and particularly in way of weld seams.
铝制船舶上的腐蚀的通常形式是船体钢板、船舵、船底龙骨上的局部点状腐蚀，特别是在焊缝方面。
The structural element consists of a construction formwork mesh sheet (1) and light steel keels (2) and (3) which are connected by self-tapping screws or rivets.
结构体由建筑模网网片（1）及轻钢龙骨（2）和（3）构成，以自攻钉或铆钉连接。
While the current devices differ in design, those devices with keels violating the endplates present the risk of complications associated with vertebral body damage.
目前的器械设计各不相同，带有干扰终板的突起的器械存在椎体损害相关并发症的可能。
Satisfactory results have been obtained by applying this method to calculate motions of different types of ship, including those body-plan sections with bilge keels.
此方法已对各种不同的船型剖面，包括具有舭龙骨剖面的船舶进行了运动计算，并获得了满意的结果。
Fixed keels and centerboards each have their own benefits but also disadvantages. When deciding what type of boat to buy, be sure you have considered these differences.
固定龙骨和活动龙骨各有其优势和缺陷，当在其中进行选购时，确保你考虑了以下这些差异。
A portable flood control apparatus consists of: uniform leakage-proof nylon fabric units, plastic-steel triangular keel supports, keels, fender-guards, gravity device, connecting bolts and fasteners.
本发明涉及一种防洪装备。主要由制式单元防漏尼龙雨布。塑钢三角形龙骨支撑架、龙骨、安全保险杠、重力装置、单元连接锁栓及加固件等组成。
A portable flood control apparatus consists of: uniform leakage-proof nylon fabric units, plastic-steel triangular keel supports, keels, fender-guards, gravity device, connecting bolts and fasteners.
本发明涉及一种防洪装备。主要由制式单元防漏尼龙雨布。塑钢三角形龙骨支撑架、龙骨、安全保险杠、重力装置、单元连接锁栓及加固件等组成。
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