无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

The transportation of dangerous cargo in packages is governed by（）.

A.IBC code
B.BC code
C.IMDG code
D.IGC code

你可能感興趣的試題

單項選擇題

The use of（）between bags may lead to chafage and tearing of the bags.

A.strips of burlap
B.heavy paper
C.dunnage boards
D.strips of rope yarm

單項選擇題

The valves（）S/0 No.187 is not shown in the plan.

A.below
B.in
C.of
D.under

<ruby id="syc7b"><xmp id="syc7b"></xmp></ruby>