半圆

apse buttressed

用半圆壁龛支撑的

apse buttress 半圆室扶垛 | apse buttressed 用半圆壁龛支撑的 | apse window 教堂半圆室窗户

apse window

教堂半圆室窗户

apse buttressed 用半圆壁龛支撑的 | apse window 教堂半圆室窗户 | apsebuttress 半圆室扶垛

half round bastard file

粗齿半圆锯

half-round bar 半圆杆,半圆钢,半圆形钢条 | half-round bastard file 粗齿半圆锯 | half-round batten 半圆狭板

concave cutter

凹半圆成形铣刀,凹半圆刃铣刀

concave curve 凹曲线 | concave cutter 凹半圆成形铣刀,凹半圆刃铣刀 | concave diffraction grating 凹光栅,凹衍射光栅

turning gouge

半圆车刀

半圆(木)锉 half-round rasp | 半圆车刀 turning gouge | 半圆锉 half-round file

half round iron

半圆铁

half-round head screw 半圆头螺钉 | half-round iron 半圆铁 | half-round middle file 半圆中锉

half round chisel

半圆錾

半圆撑条 half round batten | 半圆錾 half round chisel | 半圆锉 half round file

half round chisel

半圆凿,半圆錾子

half-round batten 半圆狭板 | half-round chisel 半圆凿,半圆錾子 | half-round clamping ring 半圆卡环

half round pliers

半圆钳

half-round oil stone 半圆油石 | half-round pliers 半圆钳 | half-round reamer 半圆铰刀

half round iron-bar

半圆铁条

half round iron 半圆铁 | half round iron-bar 半圆铁条 | half round pliers 半圆钳

Apportioned Effort：分摊努力

Applied Direct Costs 实际直接成本 | Apportioned Effort 分摊努力 | Apportioned Task 分摊任务

tussah silk fabric：柞丝绸

tussah silk carpet 柞丝毯 | tussah silk fabric 柞丝绸 | tussah silk fancy yarn 柞粗纺丝