invar
导读：invar读音音标
英 [ɪn\'vɑ:]美 [ɪn\'vɑ]
invar意思解释
n.不胀钢； 英英释义 invar[ in\'vɑ: ]n.an alloy of iron and nickel having a low coefficient of thermal exp
英 [ɪn\'vɑ:]美 [ɪn\'vɑ]
invar意思解释
n.不胀钢； 英英释义 invar[ in\'vɑ: ]n.an alloy of iron and nickel having a low coefficient of thermal exp
invar读音音标
英 [ɪn\'vɑ:]
美 [ɪn\'vɑ]
invar意思解释
n.
不胀钢；
英英释义
invar[ in\'vɑ: ]
n.
an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments
