?钳式电流表

... Tool box工具箱 Tong-test ammeter钳式电流表 Torque扭矩、力矩 ...

?钳式安培计

钳式安培计 clamp on ammeter; clamp-on ammeter; snap-on ammeter; tong-test ammeter 磁电式安培计 moving-coil ammeter ..

?夹表

... chain tong 链条钳 tong-test ammeter 夹表,夹线式电流计,... not fit to be touched with a barge-pole 不值得一碰,令人讨厌...