常見(jiàn)例句雙語(yǔ)例句Low alloy steel plates are both dead and semi killed steel plates.低合金鋼板都是鎮(zhèn)靜鋼和半鎮(zhèn)靜鋼鋼板。Preheating shall be carried out for carbon and low alloy steel welding where required. Preheating temperature shall be kept uniform from the start to the end of welding.在進(jìn)行碳鋼及低合金鋼的焊接時(shí)應(yīng)進(jìn)行預(yù)熱。預(yù)熱溫度在焊接開(kāi)始到結(jié)束期間應(yīng)保持均衡。blog.sina.com.cnDue to the different deoxidation methods, the ordinary low alloy steel has excellent performance, which requires that the material must be able to withstand the reciprocating force.在冶煉時(shí)由于脫氧方法的不同,由于普通低臺(tái)金鋼具有優(yōu)良的性能,這就要求材料必須經(jīng)受得住往復(fù)力的作用。 返回 low alloy steel