單項(xiàng)選擇題

關(guān)于焊接材料的保管和烘焙要求，說法正確的是（）

A.A焊條、焊絲、焊劑應(yīng)放置于通風(fēng)，相對(duì)濕度不大于60%，溫度保持在5℃以上的專設(shè)庫(kù)房?jī)?nèi)
B．B烘干后的焊接材料應(yīng)保存在120℃～150℃的恒溫箱內(nèi)，焊條藥皮應(yīng)無脫落和明顯裂紋
C．C保溫筒內(nèi)可放置超過4小時(shí)的焊條用量
D．D焊劑中若有雜物混入，應(yīng)對(duì)焊劑進(jìn)行清理，或全部更換

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單項(xiàng)選擇題

How to organize an argumentative writing? I. List the reasons others might have to support the opposite side of the issue. II. List the reasons you have for this topic III. Select a controversial or debatable topic.
A、I, II, III
B、III, II, I
C、II, I, III
D、III, I, II

A.

問答題

Decide whether the underlined words in the following statements are True(√) or False(X). As we all know, Google is a very innovative company. (innovate)

答案： True

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關(guān)于焊接材料的保管和烘焙要求，說法正確的是（）

你可能感興趣的試題

How to organize an argumentative writing? I. List the reasons others might have to support the opposite side of the issue. II. List the reasons you have for this topic III. Select a controversial or debatable topic. A、I, II, IIIB、III, II, IC、II, I, IIID、III, I, II

Decide whether the underlined words in the following statements are True(√) or False(X). As we all know, Google is a very innovative company. (innovate)

關(guān)于焊接材料的保管和烘焙要求，說法正確的是（）

How to organize an argumentative writing? I. List the reasons others might have to support the opposite side of the issue. II. List the reasons you have for this topic III. Select a controversial or debatable topic.
A、I, II, III
B、III, II, I
C、II, I, III
D、III, I, II