circular seam 中文意思是什麼
circular seam
解釋
環縫-
Coals are removed from circular seam of silo so that material section is increased and silo coal blockage is reduced
採用環式縫隙出煤,增加物料出口截面,改善筒倉蓬煤堵煤現象。 -
Aluminium and aluminium alloys - hf seam welded tubes - tolerances on dimensions and form for circular tubes
鋁和鋁合金. hf縫焊管.圓形管的尺寸和形狀公差 -
Aluminium and aluminium alloys. hf seam welded tubes. part 3 : tolerances on dimensions and form for circular tubes
鋁和鋁合金. hf縫焊接管.第3部分:圓管的形狀和尺寸公差
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