【简答题】清水墙面上下两皮砖的搭接长度不得小于 ,否则即认为出现通缝。
【多选题】砖砌体灰缝质量控制要点正确的有()。
A.
水平灰缝的砂浆饱满度不得低于80%;竖向灰缝不得出现透明缝、瞎缝和假缝
B.
清水墙面不应有上下二皮砖搭接长度小于25mm的通缝,不得有三分头砖,不得在上部随意变活乱缝
C.
为保持清水墙面立缝垂直一致,当砌至一步架子高时,水平间距每隔1m在丁砖竖缝位置弹两道垂直立线,防止丁砖走缝
D.
砖砌平拱过梁的灰缝应砌成楔形缝。灰缝宽度,在过梁底面不应小于5mm;在过梁的顶面不应大于15mm
【简答题】Dogs are social animals and without proper training, they will behave as wild animals. They will soil your houses, 【M1】______ destroy your belongings, bark excessively, fight other dogs and even if bi...
【单选题】The best title for this article is ______ .
A.
Proper Training makes a Dog
B.
Importance of Training to Dog
D.
Why is Dog so Obedient
【单选题】Dogs are social animals and without proper training, they will be have like wild animals. They will spoil your house, destroy your belongings, bark excessively, fight other dogs and even bite you. Nea...
A.
be just part of their nature
B.
worsen in modem society
C.
occur when they go wild
D.
present a threat to the community
【单选题】The best title for this article is____.
A.
Proper Training Makes a Dog
B.
Importance of Training to Dog
D.
Why is Dog so Obedient