白体镶黑边的老款打字机的键盘向使用者发出邀请，请他们演奏强有力的协奏曲，同时银色的打印杆一升一降，嗒嗒作响。
On older models the keys, metal-rimmed with white inlay, invited the user to play forceful concertos on them, while the silvery type-bars rose and fell chittering and whispering from their beds.
喷头、玻璃刮、升缩杆、水桶、玻璃清洁剂、清水、抹布。
Spread head, glass scrubber, telescoping rod, water bucket, glass detergent, clean water, wiping cloth.
门座式起重机分单臂架和四连杆两种类型，起重机的起升、变幅、回转和行走四大机构均采用交流变频调速，整机采用PLC控制，使用性能优越。
Portal crane sub frame and four-link arm two types, from the crane hoisting, luffing, slewing and walking four agencies ac frequency control, the machine USES PLC control, superior performance.
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