muff

double-tapered muff-joint

双圆锥联

an actor muffing his lines.

演失误演员

He muffed a good opportunity for a big contract.

他把签订一项大合同机会错过了。

the administration muffed several of its biggest projects.

行政当局已经把几个最大弄糟了。

By using this method, the effects of various parameters on the performance of the exhaust muffler and a variation law are clear and all the indexes of the new muffer are improved.

通过正交设,使新消声器各项指标得到提高。

apply to muffer,spring of auto parts,oil tank ,frame,tailstock,buffer of motorcycle,bicycle frame coating.

适用于汽车零配件消声器、弹簧等，摩托车油箱、车架、后尾架、消声器等，单车车架等工件面喷涂处理。

See northward farmer head wraps hoary head towel on the way, some ear-muff that still hang shagginess work in the ground.

沿途看到北方农民头裹白头巾,有还挂上毛茸茸耳罩在地里干活。