例句與造句

1. Tannery machines - reciprocating roller machines - safety requirements
   制革機(jī)械.往復(fù)滾壓機(jī)的安全性要求
2. Tannery machines . reciprocating roller machines . safety requirements
   制革機(jī)械.往復(fù)式滾壓成形機(jī).安全要求
3. Tannery machines - reciprocating roller machines - safety requirements ; german version en 972 : 1998
   制革機(jī)械.往復(fù)式軋制機(jī).安全性要求
4. It's difficult to find reciprocating roller in a sentence. 用reciprocating roller造句挺難的