依照《中华人民共和国气象法》的规定，气象专用技术装备应当符合国务院气象主管机构规定的

单词拼写

小题1:He  _________(捐赠)his collection of pictures to the museum.

小题2:The sailors had to _________（遗弃）the sinking ship .

小题3:Everybody in the class is expected to _____(参加)in these discussion.

小题4:The People’s Republic of China was founded on _________(十月)1^st.

小题5:Is _________(星期六)the last day of the week?

小题6:This kind of mushroom is _________（有毒的）though it looks beautiful. Don’t eat it!

小题7:It is _________(方便的)to place the toilets near the entrance to the cinema.

小题8:You can use the cards for any special occasion—weddings, births, _________（周年纪念日）,etc.

小题9:He decided to stay there for a _________(两星期)

小题10:I was nearly scared to _________(死)when I saw a snake yesterday.

简述缓冲链的工作原理。

补焊或更换罐体时所有的钢材和焊条应与原设计相同，不能确定材料牌号、性能时应进行（）。材料代用要经有资质的设计单位同意。

聚乙烯胶粘带防腐的施工方法？

中间泵站