半圆

Archimedes worm

半圆键阿基米德蜗杆

板簧 flat leaf spring | 半圆键阿基米德蜗杆 Archimedes worm | 安全系数 safety factor; factor of safety

astragal tool

半圆刀具

ASTM, American Standard of Testing Materials 美国材料试验标准 | astragal tool 半圆刀具 | Astragalus cream 黄芪霜

convex cutter

凸形铣刀, 凸半圆铣刀

convex curve | 凸曲线 | convex cutter | 凸形铣刀, 凸半圆铣刀 | convex domain | 凸域

Apse, East End, Sanctuary

半圆殿,东端,圣殿

Choir 唱诗班席 | Apse, East End, Sanctuary 半圆殿,东端,圣殿 | Alter 圣坛

button-headed screw

半圆头螺钉

button-headed bolt ==> 半圆头螺栓 | button-headed screw ==> 半圆头螺钉 | button-off belt ==> 明钮半腰带

half-round coarse file

半圆粗锉

half-round chisel 半圆凿 | half-round coarse file 半圆粗锉 | half-round compasses 半圆规

cup head pin

半圆头销

cup grinding wheel 杯形砂轮 | cup head pin 半圆头销 | cup head screw 半圆头螺钉

Woodruff key seat

半圆键座

"半圆键","Woodruff key" | "半圆键座","Woodruff key seat" | "普通铅笔","wool-cased drawing pencil"

snap head machine screw

半圆头机器螺丝

snap head bolt 半圆头螺栓 | snap head machine screw 半圆头机器螺丝 | snap panty 揿钮短裤

hcb half circle back

摇杆后摇半圆

hcf half circle forward 摇杆前摇半圆 | hcb half circle back 摇杆后摇半圆 | -Notations 符号-

Hilt's law：希尔特煤品级定律

"hillside quarry","山坡石矿" | "Hilt's law","希尔特煤品级定律" | "hindered settling","阻流沈降"

Shaanxi Sunland Automatic Control Co.,Ltd：陕西神洲自动控制有限公司

SHAANXI QINCHUAN MACHINERY DEVELOPMENT CO.,LTD 陕西秦川机械发展股份有限公司 | Shaanxi Sunland Automatic Control Co.,Ltd 陕西神洲自动控制有限公司 | Shan Dong Shuang Yi Group Co.,Ltd 山东双一集团有限公...