Head sealing pressure 头部密封受压
ball head sealing 球头密封
sealing head 封头
x Sealing head 密封头
Spindle quenched renew prime location bearing position, sealing position and the spindle head and impeller position.
主轴调质措置的首要位置是轴承位、密封位及轴头和叶轮位。
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。
It is ideal for sealing all the random gaps between dummy bar head and mould copper plate, to prevent the hot metal infiltration and break out while casting.
非常适合于引锭头与结晶器铜板之间无规则缝隙的密封，防止开浇时渗、漏钢的现象的出现。
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