Tcpo
abbr. tricetylphosphine oxide 氧化三（個(gè)）十六烷基磷
??? 情景例句
so experienced in the construction trade,
在建筑這一行業(yè)經(jīng)驗(yàn)豐富
If you wish good advice, consult an old man.
如要忠告向老人請(qǐng)教。
Is this the part that you need?
這是不是你所需要的零件？