Hand - driven cranes ; track wheels with roller bearings 人工操作起重機.帶滾動軸承的軌道輪
Research on the life test of the hand - driven air - blower 手搖鼓風機傳動系統(tǒng)加速壽命試驗研究
Customs officers from the ports and maritime command cracked a sea smuggling case involving two luxury left - hand - drive vehicles on wednesday ( may 25 ) 海關(guān)港口及海域科人員于星期三(五月二十五日)偵破一宗走私名貴左?汽車案件。
This rack is controlled by computerized programs , suitable for different brand of hand - driven flat knitting machine . it can be used for automatic knitting for sweaters , sleeves , trousers , scarves and caps 本機架采用電腦控制,可配裝不同廠牌的手搖橫機后進行毛衫衣片、袖片、毛褲、圍巾、帽子等織物的自動編織。