quard是什么意思_quard怎么读_quard造句和翻译

quard

1.it is night. all is quiet . the soldiers are asleep while a quard watches ror the enemy . there is a flash , and the sound of guns!在一个宁静的夜晚，士兵们都已熟睡只有不锈钢手表的声音，在一道闪光后听见了枪声。

2.Independent looper make it easier for adjustment, needle quard move by feed dog to stitch light or heavy materials.弯针独立，便于调整，针受随送金送后移动，薄或厚皆可适用。

3.Why does the quard aluminum surface, in Al-membrane surface evaporation a layer of oxide films or plastic film.为何护铝膜表面不受损伤，在铝膜表面再蒸镀一层氧化硅膜或塑料膜。

4.S used to stay save rollers (biopretreatment), which is a phosgel version and quard version two in one product.版用留版液（保存处理剂），它为洁版加护版二合一产品。