超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
成败型产品
pass-fail product
Success or failure product
成败型设备
Devices with only safe-or-failure pattern
成败型试验
Success-failure type test
success and failure test
成型件质量
quantity of sintered parts
多柱塞型成型铸模
multi-plunger molding die
集成元件
integrated electronic component
integrated component
检光元件及光纤混成元件
detectors & fiberoptic hybrid devices