题目内容

The buyer and the seller must respectively any risk of export and import prohibition.

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They were determined to the tasks assigned them no matter what obstacles they would have to face.

下列属于梁的是( )

A. LL
B. JL
C. DL
D. KBL

下列属于转换层的梁的是()

A. TZL
B. KL
C. AL
D. BKL

KL1（2） 300×600A8@100/200(2)2c25 ; 2c20G4A10下列说法不正确的是

A. 图中的梁有2跨
B. 图中梁为双肢箍
C. 图中梁架立筋为2C25
D. 图中梁下部通长钢筋为2C20