Plm
abbr. 产品生命周期管理（Product Lifecycle Management）；可编程序的逻辑矩阵（Programmable Logic Matrice）；脉冲宽度调制（Pulse-Length Modulation）
🗣️ 情景例句
Are you carrying any items that need to be declared?
你没有携带需要申报的东西吗？
I can't fasten this collar button.
我不能扣住这个领子钮扣。
On his arrival he was sold to a farmer and worked in the fields.
一到美国，他就被卖给了一个农场主，到地里干活。