The seal head adopts a conic piston or a ball to meet the need.
根据需要，密封头采用锥形活塞或球体。
A cantilever screw rod is arranged on the positioning bearing block and is ensured to be coaxial with a seal head cylinder body.
悬臂螺杆安装在定位轴承座上，并保证与封头筒体同轴。
The casing is respectively connected with a water inlet pipe and a water outlet pipe, and the front seal head is respectively equipped with a grape juice inlet and a grape juice outlet.
壳体上分别连接有进水管和出水管，在前封头上分别设置有葡萄榨汁进口和葡萄榨汁出口。
The dark head of a seal bobbed up a few yards away.
在几码远处一只海豹的黑脑袋猛地钻出水面。
The box had an opening big enough for the seal to put his head in, but not large enough for him to enter completely.
水箱有一个足于让海豹伸头进去的开口，但还没有大到足于让它全身通过。
Photograph by Kaido Haagen, A gray seal pokes its head through "clouds" of plant life in a winning picture by Estonian photographer Kaido Haagen.
爱沙尼亚摄影师KaidoHaagen拍摄的一只灰白色海豹从水底植物"云朵"中探头照片获得最佳图片。
The sleek head of a seal bobbed to the surface to get a better look at us.
一头海豹不时从水中冒出光滑的头来，想把我们看得更清楚。
The described how a trained seal, named Henry, was able to indicate, with a twitch of its head, whether the fish moved to the right or to the left.
一只名叫亨利的海豹经过训练，只要晃动脑袋就能察觉出鱼往左游还是往右游。
Engineers had spent days pumping heavy drilling fluid into the leaking well head on the ocean floor in a high-pressure bid to smother the gushing crude and ultimately seal the well with cement.
工程师们数日来一直向海底的泄漏油井泵入大量的钻探泥浆，希望用高压堵住喷涌的原油，最后用水泥封死油井。
Such things," continued Bertuccio, shaking his head, "are only related under the seal of confession."
这种事情，”贝尔图乔摇摇头，继续说道，“只有在忏悔师的面前才可以讲。”
Generally, the cylinder and the cylinder head bolt together with a thin gasket pressed between them to ensure a good seal.
一般来说，气缸和气缸盖用螺栓紧固在一起，气缸与气缸盖之间用一薄垫圈确保密封良好。
When the closed channel, the wedge-shaped head with a stem to open up the ball and pressed to seal the valve seat.
当关闭通道时，用阀杆的楔形头使球体涨开与阀座压紧达到密封。
The spark plug must form a good seal inside the cylinder head to avoid leakage of without the high-tension current shorting-out.
火花塞必须在汽缸盖内形成良好密封以防止燃烧过程气体高压泄露，并且能够继续工作而且高压电路没有短路。
The seal's head falls forward onto the ice. Alatook gets to his feet and runs to the seal.
海豹的头朝前倒在冰上。阿拉图克站起来向海豹跑去。
Thoroughly clean all parts exposed to material, including piston barrel, piston head, O-ring, one-way valve, filling head, feeding tank, hopper, etc. Damaged seal shall be immediately replaced.
应彻底清洗所有和物料接触的部件，包括活塞缸、活塞头、O型圈、单向阀、灌装头、料桶、料斗等，发现破裂损伤的密封应及时进行更换。
Analyse and design mechanism, seal structure, shape of shovel head and length of tool chamber.
对水下液压冲击铲的机械本体、密封结构、铲头形状、工具腔长度等进行了设计、分析。
As the key part of the rotary control head's bearing assembly, the capability of the rotary dynamic seal equipment effects on the using life of the rotary control head.
旋转动密封装置是旋转控制头轴承总成的关键部件，其性能好坏直接影响旋转控制头的使用寿命。
Skin was grafted from his head to seal his torso? But the legless Mr Peng was left only 78cm (2ft 6in) tall.
从他的头部移植皮肤来缝合他的躯干，但失去腿部的彭先生只剩78公分(2英尺6英寸)高。
The pump head, pump shell, seal chamber parts can with insulation jacket.
泵头部、泵壳体、密封腔部分均可以带保温夹套。
Seal leakage test on the inlet valve under a hydrostatic pressure equal to maximum static head. The leakage shall not exceed the amount guaranteed by the Contractor.
对入口阀在最大静水压力下的密封泄漏试验。泄漏量不得超过承包商所保证的量。
The utility model relates to a novel shaft head seal.
本实用新型涉及一种新式轴头密封。
The crimped head design, prevents solids from dislodging the seal face, allows the seal to withstand higher pressure and rotational speed and eliminates the metal shell from contacting the seal ring.
波纹式头部设计，防止固体颗粒从密封面上撞出，使得密封能够抵抗更高的压力和旋转速度，避免金属壳接触到密封环。
Teflon - lined pipe, casing, elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen - ring, gasket seal ring and auto parts.
聚四氟乙烯内衬直管，套管，弯头，三通，四通，大小头，筒体，空压机-制氧机-活塞环、密封圈和汽配封圈。
The water pressure suppresses and the water stabs head is developed, and quick-change organization of the seal is analysised.
针对油压钳制水刺头结构复杂、油缸易漏油等缺点，设计开发了水压钳制水刺头，并对密封条的快换机构等进行了分析。
This essay describes the application of the cylinder cram mechanism and the planetary gear system in the multi head anti stealing cover seal mechanism.
通过行星轮系-圆柱凸轮机构在多头防盗盖封口机中的应用，详细论述了其运动原理及设计要点。
The gas mask is characterized in that the gas mask can cover and seal the head and face of an operator without affecting normal operation, so that the operator can not be eroded by harmful substance.
该面罩的特点是能罩住并闭封操作者头部、面部，而且不影响正常操作，使操作者不会受到有害物质的任何侵蚀。
The gas mask is characterized in that the gas mask can cover and seal the head and face of an operator without affecting normal operation, so that the operator can not be eroded by harmful substance.
该面罩的特点是能罩住并闭封操作者头部、面部，而且不影响正常操作，使操作者不会受到有害物质的任何侵蚀。
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