勘有载重线标志的船 load line ship
·2,447,543篇论文数据,部分数据来源于NoteExpress
船用大功率齿轮传动的突出特点是高速、重载和低噪声。
The outstanding features of a marine high-capacity gear transmission device are high speed, heavy load and low noise.
youdao
应用推荐
模块上移
模块下移
不移动