升降的英文怎么说
升降的英文：elevation and subsidencei
fluctuation
参考例句：
[*]Antenna elevating subsiding machine
天线升降机构[*]An airplane built to fly vertically as well as forward.
垂直升降飞机一种既可向前飞亦可垂直飞行的飞机。[*]Permissible limit
(价格升降的)最大限度[*]Coil car
带卷升降运输机[*]A helicopter landing platform
直升机升降平台[*]The up-down gear turns in the proper direction to raise the seat.
升降齿轮转到适当的方位,升高座椅[*]permissible limit
(价格升降的)最大限度，允许的限度[*]The lift grinds in the shaft.
电梯在升降井里嘎嘎响着。[*]Window cleaners are pulled up and down tall buildings on cradles.
窗户清洁工乘坐能升降的吊篮清洗高层建筑物的窗子。[*]You can double the length, width, or both of standard lift tables by using tandems.
使用串联升降台，即在通用标准升降台上使长度、度加倍或者两者同时加倍。 elevation是什么意思：
n. 提拔；高度，海拔；高地；立面图
[*]That is an express elevator.
那是一个高速电梯。[*]building elevation
建筑立面 [*]elevation detail
立面细部 fluctuation是什么意思：
n. 波动，涨落，起伏
[*]Fluctuations are spatial and temporal in character.
这种波动的特点是空间性和瞬时性的。[*]There are fluctuations in the state of his health.
他的健康状况时好时坏。[*]It is apparent that rapidly fluctuating temperatures are not indicated.
温度急剧地增减不能被指示出来是显而易见的。
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