... three-arm mooring 三脚碇泊浮筒 three-arm caliper 三臂井径仪 Three-arm study 常称为三手研究 ...
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... 井径仪刻度环 caliper ring 过油管井径仪 throughtubing caliper ; tubing caliper ; TTC 三臂井径仪 threearm caliper ; arm caliper ...
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