elbow bending 中文意思是什麼
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Meanwhile gently bending the elbow, arm, back extension, so your biceps on the pressure in their ears
同時肘部輕輕彎曲，胳膊向後伸，這樣你的肱二頭肌就壓在耳邊了。 -
Various kinds of carbon steel, alloy steel, stainless steel, 90 and 180seamless elbow, sharp bend elbow, plate tube, concentrated pipe and all kinds of pipe fitting made by of company with intermediate frequency induction heating bending shaping craft are features in smooth surface both in inside and outside, even thickness of pipe wall and other advantages, and our products are proved by state science technology commission, national ministry of labor and other authoritative department after the quality inspection that the products of us conforms to the national standard and different standards of different industries
公司採用中頻感應加熱推製成型工藝，生產的各種碳鋼合金鋼不銹鋼90 180無縫彎頭，急彎彎管盤管集合管及各種管道配件具有組織緻密，內外表面光滑，壁厚均勻等優點，經國家科委勞動部等技術權威部門對技術進行檢測均符合中華人民共和國國標及各行業標準。公司自行設計製造了3條推製成型流水線，可生產18 - 630的各種材質壁厚無縫彎頭。
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