锉

POINTED DRILL

尖钻 file尖锉

pointed drill 尖钻 | pointed drill 尖钻 file尖锉 | pointed file 尖锉

rasp

粗锉

scraper 三角刮刀 | rasp 粗锉 | file 锉

rattail file

圆锉

rat-tail file 鼠尾锉 | rattail file 圆锉 | read only file 只读文件

riffler file

修模锉

ridged-back file 平三角锉 | riffler file 修模锉 | ring file structure 环形文件结构

smooth cut

细锉纹

smooth barrel 滑膛炮管 | smooth cut 细锉纹 | smooth cut file 细纹锉

three sided file

三角锉

three row hatch 三排横列舱口 | three sided file 三角锉 | three square file 三角锉

burring engine

圆头锉机

burr drill 牙钻,圆头锉 | burring engine 圆头锉机 | bur stand 牙钻插座,车针盒

hollow-edged equalling file

凹边齐头平锉

hollow-drill steel 空心钻杆 | hollow-edged equalling file 凹边齐头平锉 | hollow-edged file 凹边锉

gulleting saw file

圆锯锉

great American file 半圆底三角锉 | gulleting saw file 圆锯锉 | hack-file 手锯

osteotribe

骨锉,刮骨刀

osteotome 骨刀,骨凿 | osteotribe 骨锉,刮骨刀 | osteotrite 骨锉,刮骨刀

Ostrea rivularis：近江牡蛎

集聚成堆分布于小清河口的近江牡蛎(Ostrea rivularis)也同遭厄运,目前几乎灭绝. 3.1.4 秋汛对虾渔业兼捕是带鱼、小黄鱼资源衰退的主要原因 60年代兴起并迅速发展的秋汛对虾底拖网渔业兼捕损害了大量的幼鱼是导致带鱼、鳓鱼(Ilisha elongata)几近绝迹,

non-aligned movement：结盟运动

nominal 名义上的 | non-aligned movement 结盟运动 | non-alignment organization 结盟组织