A reservoir, as used in hydraulic systems aboard ship, is used to store hydraulic oilAnother function is to() act as a shock absorber。 maintain the stored oil under pressure。 act as a base or foundation for the power unit。 eliminate pressure surges in the system。
以下哪几种条件可以生成潜在客户号() A.潜在客户姓名+性别+手机号码。 B.潜在客户姓名+证件类型+证件号码。 C.客户姓名+性别+证件号码。 D.证件类型+证件号码+手机号。
关于VALVETRONIC,哪个定义是正确的() VALVETRONIC是全可变气门行程控制装置。 VALVETRONIC由全可变气门行程控制装置和双VANOS构成。 VALVETRONIC由全可变气门行程控制装置和进气VANOS构成。 VALVETRONIC由全可变气门行程控制装置和排气VANOS构成。
An oil tanker,except as provided for otherwise,might discharge certain amount at certain rate of oil or oily mixtures into sea when(). she is not within a special area。 she is within a special area。 she has just departured from a special area。 she is about to enter a special area。
狐猴、黑猩猩和人类在分类学上属于同一() 科、纲和门。 界、属和种。 纲、门和界。 界、门和种。
在Word中,关于邮件合并的叙述正确的有()。