安全生产管理机构是指生产经营单位专门负责安全生产管理的内设机构，其人员为专职安全生产管理人员
1、正确正确
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Ourusualtermsofpaymentarebyconfirmed,irrevocableletterofcreditinourfavour,reachingusonemonthaheadofshipment.
Wewishtoexpressourdesiretotradewithyouinleathershoes.
Wehopedthatyouwilldealwithourrequesthonestly.
公路集装箱运费的特点（）。
Weregretthatweareunabletomeetyourrequirementforthetimebeingasordershavebeenfullybooked.
