球、球芯 Ball
全球芯片厂商编号总汇 Vendor ID
高压球芯截止阀 QJH
练习瑜伽球芯 Yoga Ball Core Exercises
颗锡球芯片级封装技术 Chip Scale Package
棒球球芯 baseball center
球芯折角塞门 ball type angle cock
多球式芯棒 multi-ball type mandrel
C4钢球芯、阀座均采用特殊硬化处理，密封面不易擦伤。
The ball and seat made of C4 are treated by special harden process, so they are hard to be scratched.
本发明涉及一种运动球(1)，包括球芯(2)和由多片皮片(4)组成的球皮(3)。
The invention relates to a sports ball (1) comprising a core (2) and a cover (3) formed from a plurality of panel segments (4).
GUD型电动高真空(压力)球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空(压力)系统管路中的介质流。
GUD electric high vacuum (pressure) ball valves USES electric device to drive the stem and ball for open and close, thus to put through or cut off the medium flow in vacuum (pressure) pipeline.
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