packing stage 充填阶段 ; 保压阶段
Single stage U hydraulic packing 单级U型水封
stage packing
包装阶段
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Around the turn of the century, as some astronauts, typically executive road warriors, got smarter about packing light, says Mr Saffo, they graduated to an intermediate stage, becoming hermit crabs.
ECONOMIST: Nomads at last
应用推荐
模块上移
模块下移
不移动