双安全 "double security"

双安培滴定 biamperometry

双安全气囊 SRS ; Dual Front Air Bags

双安全阀 double safety valve

双安全扣 Doppelte Sicherheitsfaltschliesse

双安商场 SHUANGAN DEPARTMENT STORE

双边安保机制 bilateral security mechanisms

双安打 a double-base hit

双安全装置 double safety binding

双安培测定终点检测 biamperometric end-point detection