室内贴面砖,要求面砖的品种、规格、图案、颜色均匀性必须符合设计规定,砖表面应平整方正,厚度一致,不得有缺棱、掉角和断裂等现象。釉面砖的吸水率不得大于28%。( )
参考答案:错
气道内径缩小一倍,呼吸阻力增加()。
A.2倍
B.4倍
C.8倍
D.16倍
E.32倍
At the summit meeting, America insisted that Japan should come up with specific measures that would enable it to meet new import targets. ( )
A.bring forth
B.come across
C.put off
D.reach out