ball cap 球帽 ; 章球 ; 球第 ; 球盖
ball-cap retainer 球帽固位体
SD ball-cap SD球帽
YAE Ball Cap 尹洁球帽
steering ball cap 转向球节盖
ball-cap retained 球帽附着体
ball-cap attachment 球帽附着体
ball cap attachment 球帽附着体
ball-bearing cap screw 滚珠轴承盖螺钉
The ball-cap attachments have practically value in clinical appliance patient’s mastication. It is proved that ball-cap attachments are effective to improve the function of complete overdentures,worthy to be used widely.
球帽附着体式覆盖义齿适于在临床中应用和推广,造福于广大患者。
参考来源 - 球帽附着体式覆盖义齿的临床应用·2,447,543篇论文数据，部分数据来源于NoteExpress
As he gets ready to unleash on the ball, Djokovic points the butt cap of his racquet toward the other side of the net.
当他准备好击球，德约科维奇的拍柄指向球网的另一边。
Split Plummer block, whose cap and base can be separated, mainly bear radial load. It fits for self-aligning spherical roller bearings or self-aligning spherical ball bearing.
剖分式轴承座的上盖和底座可分手，首要承受径乡向载荷，合适于圆柱孔和圆锥孔的调心滚子轴承和调心球轴承。
The paper describes how to manufacture light insulation cap by using thick wall hollow micro ball as the base material.
论述以厚壁空心微珠为基质，研制轻质保温帽。
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