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【HVAC Version】Daily Question 20171212

2017-12-12View Original

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The gap at the pipe ends during hot melt welding generally should not exceed ( ). A. 0.3mm B. 0.5mm C. 0.7mm D. 0.8mm Correct answer: B
Reply #22017-12-12
The gap at the pipe ends during hot melt welding generally should not exceed (B). A. 0.3mm B. 0.5mm C. 0.7mm D. 0.8mm

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