八杆内滑块机构
inner sliding block mechanism of eight-bar linkage
鼻内内视镜造口术
intranasal endoscopic marsupialization
带杆内径千分表
inside micrometer with rod
吊杆内力
the Internal Force of Hangers
tensile force of rod
定心内撑工装
centering fixtured inner brace fixture
内撑受力计算
internal retaining force measurement