例句與造句

1. you may expect satisfactory fuii benefits with these crawler rigs, which integrate the high-efficiency dth drill, high torque rotator and very adaptable travelling ability and large power powerful dust-collector
   kqlg115kqlg165履帶式高氣壓潛孔鉆機(jī)高效率沖擊器大扭矩回轉(zhuǎn)器高適應(yīng)性運(yùn)行能力
2. It's difficult to find crawler rig in a sentence. 用crawler rig造句挺難的