English translation for "key bed"

【地质学；地理学】标准层。

Related Translations:

bed:  n.1.床，床铺；床位，铺；(动物的)窝；〔比喻〕安乐窝，坟墓；床垫；睡眠；就宿。2.婚姻，夫妇关系。3.台，土台；苗床；圃，花坛；养殖场；河床；矿床；湖底，海底。4.【地质学；地理学】层，底；【火箭】试验台；基地；【机械工程】底座；衬；机床床身；【建筑】地脚，地基；【铁路】路基；【印刷】版盘。5.一层；(树叶等的)一堆。短语和例子He is too fond of his

bedding:  n.1.寝具，床上用品。2.(家畜的)垫草。3.基底；【建筑】基坑；【地质学；地理学】层里；【农业】定植。

key:  n.1.钥匙。2.要害，关口，要冲。3.关键，线索，秘诀；解法。4.(外国书的)直译本，图例，题解，图解，解释。5.【音乐】调，主音调；(思想、表现等的)基调，调子。6.(上钟表发条等的)钥匙；【机械工程】楔，栓，销子。7.【电学】电键，电钥。8.【建筑】板条间灰泥，初涂，拱顶石，冠石。9.〔常 pl.〕(钢琴等的)键，(打字机的)键盘。10.〔pl.〕精神权威〔尤指教皇权

keyer:  n.1.【无线电】电键器；键控器；调制器；控制器。2.定时器，计时器。

keyes:  n.凯斯〔姓氏〕。

keyed:  adj.1.带键的〔如键盘乐器〕。2.【建筑】用拱顶石加固的。3.定调的；调子…的〔常用以构成复合词〕。4.使调子和谐一致的。

Example Sentences:

1.

Study on the key bed theory of roof supporting in stope 采场支撑顶板关键层理论的研究

Similar Words：

"key bard system" English translation, "key bargaining" English translation, "key base" English translation, "key beam" English translation, "key because it makes oil boil" English translation, "key benefits" English translation, "key bibliographic reference" English translation, "key billet" English translation, "key binding" English translation, "key bindings" English translation