1.
Research on Determination Method of Navigable Clearance Dimensions in the River-spanning Bridge Area
跨江大桥通航净空尺度确定方法研究
2.
Discussion on Bridge Site Selection and Navigational Clearances for Sea Crossings
跨海桥梁桥址选择和通航净空尺度问题的探讨
3.
a clearance of only two feet, eg for a ship moving through a canal
仅两英尺的净空（如船通过运河时）
4.
Folding machine. Dimensions and operating clearance area can be specified.
折边机。可以指定尺寸和操作净空面积。
5.
Cold sawing machine. Dimensions and operating clearance area can be specified.
冷锯床。可以指定尺寸和操作净空面积。
6.
Shearing machine. Dimensions and operating clearance area can be specified.
剪床。可以指定尺寸和操作净空面积。
7.
Shaping machine. Dimensions and operating clearance area can be specified.
成形机。可以指定尺寸和操作净空面积。
8.
Drill press. Dimensions and operating clearance area can be specified.
钻床。可以指定尺寸和操作净空面积。
9.
There will be a clear safety area of two metres on each side.
每一边二公尺必须为净空的安全区域。
10.
An underpass with a13-foot clearance.
有13英尺净空的高架桥下通道
11.
bridge clearance
高潮时桥梁净空高度
12.
Turret milling machine. Dimensions and operating clearance area can be specified.
转塔式铣床。可以指定尺寸和操作净空面积。
13.
Surface grinder. Dimensions and operating clearance area can be specified.
平面磨床可以指定尺寸和操作净空面积。
14.
Radial arm drilling machine. Dimensions and operating clearance area can be specified.
旋臂钻机。可以指定尺寸和操作净空面积。
15.
Horizontal band saw. Dimensions and operating clearance area can be specified.
卧式带锯。可以指定尺寸和操作净空面积。
16.
Vertical milling machine. Dimensions and operating clearance area can be specified.
立式铣床。可以指定尺寸和操作净空面积。
17.
Horizontal milling machine. Dimensions and operating clearance area can be specified.
卧式铣床。可以指定尺寸和操作净空面积。
18.
Centre lathe. Dimensions and operating clearance area can be specified.
普通车床。可以指定尺寸和操作净空面积。