试验夹具 meaning in English

test fixture
test jig

The test rig panels are lined with the fabric specified in paragraph 2 above
试验夹具板使用上述第2段中规定的织物衬里。
A special testing fixture and the crack length measurment method for crack fracture and propagation in mixed mode
复合型裂纹断裂和扩展速率试验夹具及裂纹长度测量方法
Standard test method for determining the compressive properties of polymer matrix composite laminates using a combined loading compression test fixture
用组合式荷载压力试验夹具测定聚合物基质复合叠材的压力特性的标准试验方法