D：塑料丝扣(见样品)。
它由盖顶、裙边和丝扣等部分构成。
The cover comprises a cover cap, skirt edge and screw threads.
如果钻杆丝扣生锈，必须清除掉。
If the drill pipe threads become rusty, rust will have to be cleaned.
下放钻柱至丝扣部分，拧上丝扣。
钻工用合适的丝扣油涂抹接头母扣。
The Floormen apply proper pipe dope into the thread box of the pipe joint.
昨天和今天我们都在清洗套管丝扣。
Yesterday and today we have been c1eaning the casing threads.
套管丝扣需要再清洗一下吗？
钻杆丝扣不是那样清洗的。
这是钻杆丝扣油，不能用在钻铤丝扣上。
The pull rod is screwed into the inside thread of the anchor head.
这是钻杆丝扣油，不能用在钻铤丝扣上。
加一个(丝扣)护箍。
钻头丝扣是正规扣。
钢管和管件有两种标准端部型式，即：法兰和丝扣。
Two types of end are standard on steel pipes and fittings, that is flanged and screwed.
在阀芯杆的顶部上车有丝扣以便与首轮机构相配合。
In the spool bar to the top of the car have threaded bodies with the first round match.
钢管和管件有两种标准端部型式，即：法兰和丝扣。
Two types of end are standard on steel pipes and fittings that is flanged and screwed.
钢管和管件有两种圭臬端部型式，即：法兰和丝扣。
Two types of end are standard on steel pipes and fittings - that is flanged and screwed.
定位模板拆除时，应水平往上抬升，防止碰坏螺栓丝扣。
When removing the positioning form, lift it up horizontally to avoid hurting screw threads of anchor bolts.
钢管和管件有两种标准端部型式，即：法兰和丝扣。 。
Two types of end are standard on steel pipes and fittings, that is flanged and screwed.
爆炸所产生的力使母扣扩大，足以使丝扣连接处瞬时松开。
The force of the explosion enlarges the female (outer) thread enough that the threaded connection unscrews instantly.
比较常见的故障是阀杆与螺套上的丝扣磨损，陶瓷阀门使阀门无法关闭。
Failure is more common with the screw put on the Bellows Seal Valves threaded stem wear, so that the valve can not close.
提升杆与锥形塞通过丝扣连接，塞盖套在提升杆上并与橡胶套紧密配合；
The cork cover is on the lifting rod and is tightly matched with the rubber sleeve.
乙方负担的制作费用：乙方承担挤出嘴模具费3000元，塑料丝扣磨具费4000元。
Production costs born by Party B: Party B shall bear the extrusion nozzle mould cost 3000 Yuan，and the cost of plastics screw thread of 4000 Yuan.
方钻杆之后带动整个钻柱进行旋转，由于方钻杆是与钻柱的顶部用丝扣连接在一起的。
The kelly then turns the entire drillstring because it is screwed into the top of the drillstring itself.
浮鞋的外壁由钢制成，且一般与套管的尺寸和丝扣匹配，然而浮鞋的钢级不一定要与套管钢级一致。
The outer portions of the float shoe are made of steel and generally match the casing size and threads, although not necessarily the casing grade.
产品采用OMICRON插接式连接专利，并采用不锈钢主水道及不锈钢连接丝扣，解决了散热器易漏水问题。
Our products adopt OMICRON plug connection patent and use stainless steel main water tubes as well as stainless steel connection screws, solving the water leakage problem of the radiators.
在石油天然气钻井施工过程中，常常造成钻具接头磨损、偏磨及丝扣粘连，这是引起钻具损坏进而演化为井下事故的主要原因之一。
In the construction process of oil and gas drilling, the joint drill wear, eccentric wear and threaded partial adhesion caused drilling damage and then evolved into the major mine accidents.
介绍了管道沟槽式机械连接新技术、管道沟槽式零件和机械接头，阐述了管道沟槽式机械连接相对于传统的焊接、法兰连接、丝扣连接的优越性。
This paper introduces a new connection technology of pipe groove machine. The advantages of this connection over the traditional welding, Falan connection and screw connection are elaborated.
研究了扣囊拟内孢霉和产朊假丝酵母混合固体发酵白酒糟的培养条件。
Cultural condition to ferment Distiller's grains is investigated, mixing Endomycopsisfibuligera and Candida utilis together in a solid state.
通扣丝广泛用于机械产品安装、龙骨装修配套、空调设施、通信设备安装等多项领域。
The through bolt is widely used for mechanical installation, air conditioner mounting and communications equipment fitting.
通扣丝广泛用于机械产品安装、龙骨装修配套、空调设施、通信设备安装等多项领域。
The through bolt is widely used for mechanical installation, air conditioner mounting and communications equipment fitting.
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