Bombs and roadside ambushes have some government forces pinned down .

而炸弹和路边的伏击也是政府军损失惨重。

But ambushes of convoys of security men are certainly taking place .

但是伏击安全人员车队的行动肯定是一直在进行的。

The units launch ambushes , order airstrikes and conduct night raids .

这些军队发起伏击，下令空袭，及指挥夜间突袭。

A series of co-ordinated bombings and ambushes destroyed police buildings and secret-service offices , leaving some 200 dead .

一系列有组织的爆炸以及伏击摧毁了警察局以及安全中心，造成大约200人死亡。

In three clashes , on june 19th and 20th , the advancing police and paramilitaries faced landmine attacks and ambushes by up to 150 guerrillas .

在6月19、20日的三次交锋中，设备先进的警察和预备军遭遇地雷袭击和约150游击队员的伏击。