Check and replace the O-ring of the piston head.
检查和更换活塞头的O型圈。
Check that the piston head is blocked due to the stickiness of the O-ring on it.
检查活塞头o型圈是否有粘性，使得活塞头堵死。
The piston head or "crown" is the top surface against which the explosive force is exerted.
活塞头部或“冠部”是整个活塞的最上端，处在燃烧室里要承受爆炸燃烧产生的力。
The lug boss is completely arranged in an annular groove at the right end of the piston head.
所述凸台全部置于所述活塞头右端的环状槽内。
The structure, wear resistance and wear mechanism of laser quenched layer on the groove surface of the piston head were studied in this paper.
研究了大型柴油机活塞项环槽激光淬火层的组织、耐磨性和磨损机理。
The rings have joints (they are split) so that they can be expanded and slipped over the piston head and into the recessed grooves cut in the piston.
活塞环有接口（也就是有一缝隙），这样可以使端部扩张并滑入活塞上的凹槽中。
Practical results show that wear resistance of the groove surface is improved remarkably by laser quenching. It is an effective way to prolong the service life of the piston head.
实际运行结果在明，激光淬火是提高大型柴油机活塞顶使用寿命的有效途径。
The invention discloses a method for welding pistons by laser. The method comprises: a piston head and a piston skirt, which are respectively made, are welded into a whole by laser;
本发明公开了一种激光焊接活塞的方法，将分别制造的活塞头部和 活塞裙部，通过激光焊接连为一体；
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。
The use of hydraulic cylinder in hydraulic elevator, the part usually has five parts: piston and piston rod, cylinder and cylinder head, buffer device, sealing device and exhaust device.
液压升降机中使用的液压油缸，其组成部分通常有五部分：活塞和活塞杆、缸筒和缸盖、缓冲装置、密封装置、排气装置。
The oxide-coated zirconium of the chambers at the piston and cylinder head, the design of air gap on the auxiliary chamber are applied to lower heat rejection.
为了减少散热，在活塞顶、缸盖喷涂了氧化镐涂层，同时在副燃室设计了空气缝隙。
Reciprocating pump flow and pressure head has nothing to do with the pump cylinder size, and the reciprocating frequency of the piston stroke.
往复泵的流量与压头无关，与泵缸尺寸、活塞冲程及往复次数有关。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
The numerical computations for the heat transfer of JL465Q1 engine's parts (cylinder block, piston and cylinder head) under different operation cases were performed.
针对JL 465Q1发动机部件(缸筒、活塞和缸盖)在不同典型工况下的传热进行了数值分析计算。
The piston portion (102) includes a substantially cylindrical head portion (103) including a mating face (105).
该活塞部分(102)包括基本上圆柱形的头部(103)，该头部(103)包括配合面(105)。
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。
Remove cylinder head & piston, and con-rod;
活塞头、缸头和连杆拆除；
Avoid put hands or head into the feed port when the piston rod is running.
活塞杆运行时严禁向送料口伸入头手或送料。
Based on the 175F type swirlprechamber air cooling diesel engine, through redesigning cylinder head and piston etc. , new 175F type direct injection air cooling diesel engine is formed.
在175F涡流预燃室风冷柴油机的基础上更换气缸盖、活塞等零件，改成新的175F直喷式燃烧室风冷柴油机。
The combustion chamber consists of the main combustion chamber on the top of the piston, the auxiliary combustion chamber in the cylinder head and the passage between the main and auxiliary Chambers.
燃烧室由位于活塞顶的主燃室，位于气缸盖上的副燃室和连通主副燃烧室的通道组成。
The top part of the piston is the head, or crown.
帽子中盖住头顶的部分。
The top part of the piston is the head, or crown.
帽子中盖住头顶的部分。
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