【简答题】蔬菜嫁接后 1-2 天的管理, 光照要求(),可以搭盖()进行遮光。
【单选题】The pump(casting /casing) should be dismounted
【单选题】在国际货物买卖交易磋商中,附条件的接受
A.
视对发盘所做修改的性质及发盘人的态度而决定其是否构成有效接受
【简答题】蔬菜嫁接后 1-2 天的管理, 光照要求 ( ) ,可以 ( ) 进行遮光。
【多选题】What's the advantages of casting ?
A.
Parts with intricate internal cavities /passage
B.
Parts with smooth ,flowing designs
C.
the economy of using less metal for a part
D.
Casting process is complex
【单选题】在国际货物买卖交易磋商中,有条件的接受()
A.
视对发盘所做修改的性质及发盘人的态度而决定其是否构成有效接受
【单选题】在中国外文局成立70周年之际,习主席向()致诚挚问候。
【多选题】What's the disadvantages of permanent mold casting ?
B.
limited intricacy of casting shape
C.
unsuitability for high -temperature metals
D.
unsuitability for steel
【多选题】What's the disadvantages of casting ?
A.
shrinkage cavity, Porosity
C.
position deviation,shape incompletion
D.
The surface of the casting is rough, adhering to a layer that is difficult to remove the sand.