1. This product is of secure type consisting of telephone set and coupler, . 本产品为本质安全型,由电话机和耦合器两部分组成。
2. The mixture is coated on film base giving silver, coupler and gelatin spreads of 150, 40 and 425 mg/??dry weight respectively. 混合液涂在片基上,其银,成色剂和明胶涂布的干重量,每平方英尺分别为150,40和425毫克。
3. The invention discloses a method and a device for testing vibration performance of an optical fiber coupler for an optical fiber gyroscope. 本发明公开了一种光纤陀螺用的光纤耦合器振动性能测试方法及装置。
英英解释
n.
1. a mechanical device that serves to connect the ends of adjacent objects