号志闸柄 Signal Lever

信号握柄 signal lever

报警信号手柄 alarm signal handle

刀柄型号 Tool shank type

信号句柄 signal handlers

信号手柄 signal handle

信号量句柄 HANDLE hSemaphore

大号手柄 Big square hand grip

第一号曲轴曲柄 number one crankshaft throw