The teacher asked us to buy a pair of compasses.老师要求我们买圆规.I am calibrating radio direction finder or adjusting compasses.我正在校准无线电测向仪或校正指南针.With straightedge and compasses, divide a segment of a into 2 parts.用直尺和圆规把线段a分成两...
The teacher asked us to buy a pair of compasses.老师要求我们买圆规.Chinese compasses always point south!中国的罗盘总是指向南方!With straightedge and compasses, divide a segment of a into 2 parts.用直尺和圆规把线段a分成两部分....
For use with backflow preventer test cocks to protect from damage.用于防回流阀测试旋塞,防止受到破坏.Backflow preventer manufactured from 300 Series stainless steel for corrosion resistance.防回流阀采用耐腐蚀的300系列不锈钢制造.However, backflow may now ...
雷电所劈的正是高山之巅.It is the tops of the mountain that the lightning strikes.峡谷内山高路险 、 刀削斧劈的悬崖随处可见.Steep mountain valley, cutting pole axe cliff can be seen everywhere....