It used a lead wire weight at tip. On surface is white PVC Shrink Tubing.
翼尖有铅条配重，表面蒙乳白色热缩膜。
Calculate weight of wire paid out, buoyancy from submerged cargo.
重量计算出丝支付，从水下浮力的货物。
Handy light-weight wheel load scale. hand panel with digital display unit. wire strain gauge measuring method.
轻便的轮重仪。带数字显示装置的手动面板。丝式应变计测量方法。
Handy light-weight wheel load scale. hand panel with digital display unit. wire strain gauge measuring method.
轻便的轮重仪。带数字显示装置的手动面板。丝式应变计测量方法。
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